20458536800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 432

約数和(自身を含む): 58645308960

約数和(自身を除く): 38186772160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 31, 32, 40, 46, 50, 52, 62, 65, 80, 89, 92, 100, 104, 115, 124, 130, 155, 160, 178, 184, 200, 208, 230, 248, 260, 299, 310, 325, 356, 368, 400, 403, 416, 445, 460, 496, 520, 575, 598, 620, 650, 712, 713, 736, 775, 800, 806, 890, 920, 961, 992, 1040, 1150, 1157, 1196, 1240, 1300, 1424, 1426, 1495, 1550, 1612, 1780, 1840, 1922, 2015, 2047, 2080, 2225, 2300, 2314, 2392, 2480, 2600, 2759, 2848, 2852, 2990, 3100, 3224, 3560, 3565, 3680, 3844, 4030, 4094, 4450, 4600, 4628, 4784, 4805, 4960, 5200, 5518, 5704, 5785, 5980, 6200, 6448, 7120, 7130, 7475, 7688, 8060, 8188, 8900, 9200, 9256, 9269, 9568, 9610, 10075, 10235, 10400, 11036, 11408, 11570, 11960, 12400, 12493, 12896, 13795, 14240, 14260, 14950, 15376, 16120, 16376, 17800, 17825, 18400, 18512, 18538, 19220, 20150, 20470, 22072, 22103, 22816, 23140, 23920, 24025, 24800, 24986, 26611, 27590, 28520, 28925, 29900, 30752, 32240, 32752, 35600, 35650, 35867, 37024, 37076, 38440, 40300, 40940, 44144, 44206, 46280, 46345, 47840, 48050, 49972, 51175, 53222, 55180, 57040, 57850, 59800, 62465, 63457, 64480, 65504, 68975, 71200, 71300, 71734, 74152, 76880, 80600, 81880, 85529, 88288, 88412, 92560, 92690, 96100, 99944, 102350, 106444, 110360, 110515, 114080, 115700, 119600, 124930, 126914, 133055, 137950, 142600, 143468, 148304, 153760, 161200, 163760, 171058, 176824, 179335, 185120, 185380, 192200, 199888, 204700, 212888, 220720, 221030, 231400, 231725, 239200, 249860, 253828, 266110, 275900, 285200, 286936, 287339, 296608, 312325, 317285, 322400, 327520, 342116, 353648, 358670, 370760, 384400, 399776, 409400, 425776, 427645, 441440, 442060, 462800, 463450, 499720, 507656, 532220, 551800, 552575, 570400, 573872, 574678, 624650, 634570, 665275, 684232, 707296, 717340, 741520, 768800, 818800, 824941, 851552, 855290, 884120, 896675, 925600, 926900, 999440, 1015312, 1064440, 1103600, 1105150, 1111877, 1147744, 1149356, 1249300, 1269140, 1330550, 1368464, 1434680, 1436695, 1483040, 1586425, 1637600, 1649882, 1710580, 1768240, 1793350, 1853800, 1967167, 1998880, 2030624, 2128880, 2138225, 2207200, 2210300, 2223754, 2298712, 2498600, 2538280, 2661100, 2736928, 2869360, 2873390, 3172850, 3299764, 3421160, 3536480, 3586700, 3707600, 3934334, 4124705, 4257760, 4276450, 4420600, 4447508, 4597424, 4997200, 5076560, 5322200, 5559385, 5738720, 5746780, 6345700, 6599528, 6842320, 7173400, 7183475, 7415200, 7868668, 8249410, 8552900, 8841200, 8895016, 9194848, 9835835, 9994400, 10153120, 10644400, 11118770, 11493560, 12691400, 13199056, 13684640, 14346800, 14366950, 15737336, 16498820, 17105800, 17682400, 17790032, 19671670, 20623525, 21288800, 22237540, 22987120, 25382800, 25573171, 26398112, 27796925, 28693600, 28733900, 31474672, 32997640, 34211600, 35580064, 39343340, 41247050, 44475080, 45974240, 49179175, 50765600, 51146342, 55593850, 57467800, 62949344, 65995280, 68423200, 78686680, 82494100, 88950160, 98358350, 102292684, 111187700, 114935600, 127865855, 131990560, 157373360, 164988200, 177900320, 196716700, 204585368, 222375400, 229871200, 255731710, 314746720, 329976400, 393433400, 409170736, 444750800, 511463420, 639329275, 659952800, 786866800, 818341472, 889501600, 1022926840, 1278658550, 1573733600, 2045853680, 2557317100, 4091707360, 5114634200, 10229268400, 20458536800]

約数ペア:

[(1, 20458536800), (2, 10229268400), (4, 5114634200), (5, 4091707360), (8, 2557317100), (10, 2045853680), (13, 1573733600), (16, 1278658550), (20, 1022926840), (23, 889501600), (25, 818341472), (26, 786866800), (31, 659952800), (32, 639329275), (40, 511463420), (46, 444750800), (50, 409170736), (52, 393433400), (62, 329976400), (65, 314746720), (80, 255731710), (89, 229871200), (92, 222375400), (100, 204585368), (104, 196716700), (115, 177900320), (124, 164988200), (130, 157373360), (155, 131990560), (160, 127865855), (178, 114935600), (184, 111187700), (200, 102292684), (208, 98358350), (230, 88950160), (248, 82494100), (260, 78686680), (299, 68423200), (310, 65995280), (325, 62949344), (356, 57467800), (368, 55593850), (400, 51146342), (403, 50765600), (416, 49179175), (445, 45974240), (460, 44475080), (496, 41247050), (520, 39343340), (575, 35580064), (598, 34211600), (620, 32997640), (650, 31474672), (712, 28733900), (713, 28693600), (736, 27796925), (775, 26398112), (800, 25573171), (806, 25382800), (890, 22987120), (920, 22237540), (961, 21288800), (992, 20623525), (1040, 19671670), (1150, 17790032), (1157, 17682400), (1196, 17105800), (1240, 16498820), (1300, 15737336), (1424, 14366950), (1426, 14346800), (1495, 13684640), (1550, 13199056), (1612, 12691400), (1780, 11493560), (1840, 11118770), (1922, 10644400), (2015, 10153120), (2047, 9994400), (2080, 9835835), (2225, 9194848), (2300, 8895016), (2314, 8841200), (2392, 8552900), (2480, 8249410), (2600, 7868668), (2759, 7415200), (2848, 7183475), (2852, 7173400), (2990, 6842320), (3100, 6599528), (3224, 6345700), (3560, 5746780), (3565, 5738720), (3680, 5559385), (3844, 5322200), (4030, 5076560), (4094, 4997200), (4450, 4597424), (4600, 4447508), (4628, 4420600), (4784, 4276450), (4805, 4257760), (4960, 4124705), (5200, 3934334), (5518, 3707600), (5704, 3586700), (5785, 3536480), (5980, 3421160), (6200, 3299764), (6448, 3172850), (7120, 2873390), (7130, 2869360), (7475, 2736928), (7688, 2661100), (8060, 2538280), (8188, 2498600), (8900, 2298712), (9200, 2223754), (9256, 2210300), (9269, 2207200), (9568, 2138225), (9610, 2128880), (10075, 2030624), (10235, 1998880), (10400, 1967167), (11036, 1853800), (11408, 1793350), (11570, 1768240), (11960, 1710580), (12400, 1649882), (12493, 1637600), (12896, 1586425), (13795, 1483040), (14240, 1436695), (14260, 1434680), (14950, 1368464), (15376, 1330550), (16120, 1269140), (16376, 1249300), (17800, 1149356), (17825, 1147744), (18400, 1111877), (18512, 1105150), (18538, 1103600), (19220, 1064440), (20150, 1015312), (20470, 999440), (22072, 926900), (22103, 925600), (22816, 896675), (23140, 884120), (23920, 855290), (24025, 851552), (24800, 824941), (24986, 818800), (26611, 768800), (27590, 741520), (28520, 717340), (28925, 707296), (29900, 684232), (30752, 665275), (32240, 634570), (32752, 624650), (35600, 574678), (35650, 573872), (35867, 570400), (37024, 552575), (37076, 551800), (38440, 532220), (40300, 507656), (40940, 499720), (44144, 463450), (44206, 462800), (46280, 442060), (46345, 441440), (47840, 427645), (48050, 425776), (49972, 409400), (51175, 399776), (53222, 384400), (55180, 370760), (57040, 358670), (57850, 353648), (59800, 342116), (62465, 327520), (63457, 322400), (64480, 317285), (65504, 312325), (68975, 296608), (71200, 287339), (71300, 286936), (71734, 285200), (74152, 275900), (76880, 266110), (80600, 253828), (81880, 249860), (85529, 239200), (88288, 231725), (88412, 231400), (92560, 221030), (92690, 220720), (96100, 212888), (99944, 204700), (102350, 199888), (106444, 192200), (110360, 185380), (110515, 185120), (114080, 179335), (115700, 176824), (119600, 171058), (124930, 163760), (126914, 161200), (133055, 153760), (137950, 148304), (142600, 143468)]