20450240640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{773}}^1\times {\mathrm{1531}}^1$

素因数の和:2332

約数の個数: 256

約数和(自身を含む): 72569001600

約数和(自身を除く): 52118760960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 773, 864, 960, 1080, 1152, 1440, 1531, 1546, 1728, 1920, 2160, 2319, 2880, 3062, 3092, 3456, 3865, 4320, 4593, 4638, 5760, 6124, 6184, 6957, 7655, 7730, 8640, 9186, 9276, 11595, 12248, 12368, 13779, 13914, 15310, 15460, 17280, 18372, 18552, 20871, 22965, 23190, 24496, 24736, 27558, 27828, 30620, 30920, 34785, 36744, 37104, 41337, 41742, 45930, 46380, 48992, 49472, 55116, 55656, 61240, 61840, 68895, 69570, 73488, 74208, 82674, 83484, 91860, 92760, 97984, 98944, 104355, 110232, 111312, 122480, 123680, 137790, 139140, 146976, 148416, 165348, 166968, 183720, 185520, 195968, 206685, 208710, 220464, 222624, 244960, 247360, 275580, 278280, 293952, 296832, 330696, 333936, 367440, 371040, 413370, 417420, 440928, 445248, 489920, 494720, 551160, 556560, 587904, 661392, 667872, 734880, 742080, 826740, 834840, 881856, 890496, 979840, 1102320, 1113120, 1183463, 1322784, 1335744, 1469760, 1484160, 1653480, 1669680, 1763712, 2204640, 2226240, 2366926, 2645568, 2671488, 2939520, 3306960, 3339360, 3550389, 4409280, 4452480, 4733852, 5291136, 5917315, 6613920, 6678720, 7100778, 8818560, 9467704, 10651167, 11834630, 13227840, 13357440, 14201556, 17751945, 18935408, 21302334, 23669260, 26455680, 28403112, 31953501, 35503890, 37870816, 42604668, 47338520, 53255835, 56806224, 63907002, 71007780, 75741632, 85209336, 94677040, 106511670, 113612448, 127814004, 142015560, 151483264, 159767505, 170418672, 189354080, 213023340, 227224896, 255628008, 284031120, 319535010, 340837344, 378708160, 426046680, 454449792, 511256016, 568062240, 639070020, 681674688, 757416320, 852093360, 1022512032, 1136124480, 1278140040, 1363349376, 1704186720, 2045024064, 2272248960, 2556280080, 3408373440, 4090048128, 5112560160, 6816746880, 10225120320, 20450240640]

約数ペア:

[(1, 20450240640), (2, 10225120320), (3, 6816746880), (4, 5112560160), (5, 4090048128), (6, 3408373440), (8, 2556280080), (9, 2272248960), (10, 2045024064), (12, 1704186720), (15, 1363349376), (16, 1278140040), (18, 1136124480), (20, 1022512032), (24, 852093360), (27, 757416320), (30, 681674688), (32, 639070020), (36, 568062240), (40, 511256016), (45, 454449792), (48, 426046680), (54, 378708160), (60, 340837344), (64, 319535010), (72, 284031120), (80, 255628008), (90, 227224896), (96, 213023340), (108, 189354080), (120, 170418672), (128, 159767505), (135, 151483264), (144, 142015560), (160, 127814004), (180, 113612448), (192, 106511670), (216, 94677040), (240, 85209336), (270, 75741632), (288, 71007780), (320, 63907002), (360, 56806224), (384, 53255835), (432, 47338520), (480, 42604668), (540, 37870816), (576, 35503890), (640, 31953501), (720, 28403112), (773, 26455680), (864, 23669260), (960, 21302334), (1080, 18935408), (1152, 17751945), (1440, 14201556), (1531, 13357440), (1546, 13227840), (1728, 11834630), (1920, 10651167), (2160, 9467704), (2319, 8818560), (2880, 7100778), (3062, 6678720), (3092, 6613920), (3456, 5917315), (3865, 5291136), (4320, 4733852), (4593, 4452480), (4638, 4409280), (5760, 3550389), (6124, 3339360), (6184, 3306960), (6957, 2939520), (7655, 2671488), (7730, 2645568), (8640, 2366926), (9186, 2226240), (9276, 2204640), (11595, 1763712), (12248, 1669680), (12368, 1653480), (13779, 1484160), (13914, 1469760), (15310, 1335744), (15460, 1322784), (17280, 1183463), (18372, 1113120), (18552, 1102320), (20871, 979840), (22965, 890496), (23190, 881856), (24496, 834840), (24736, 826740), (27558, 742080), (27828, 734880), (30620, 667872), (30920, 661392), (34785, 587904), (36744, 556560), (37104, 551160), (41337, 494720), (41742, 489920), (45930, 445248), (46380, 440928), (48992, 417420), (49472, 413370), (55116, 371040), (55656, 367440), (61240, 333936), (61840, 330696), (68895, 296832), (69570, 293952), (73488, 278280), (74208, 275580), (82674, 247360), (83484, 244960), (91860, 222624), (92760, 220464), (97984, 208710), (98944, 206685), (104355, 195968), (110232, 185520), (111312, 183720), (122480, 166968), (123680, 165348), (137790, 148416), (139140, 146976)]