1238680640

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 224

約数和(自身を含む): 3265505280

約数和(自身を除く): 2026824640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 61, 62, 64, 80, 89, 92, 115, 122, 124, 155, 160, 178, 184, 230, 244, 248, 305, 310, 320, 356, 368, 445, 460, 488, 496, 610, 620, 712, 713, 736, 890, 920, 976, 992, 1220, 1240, 1403, 1424, 1426, 1472, 1780, 1840, 1891, 1952, 1984, 2047, 2440, 2480, 2759, 2806, 2848, 2852, 3560, 3565, 3680, 3782, 3904, 4094, 4880, 4960, 5429, 5518, 5612, 5696, 5704, 7015, 7120, 7130, 7360, 7564, 8188, 9455, 9760, 9920, 10235, 10858, 11036, 11224, 11408, 13795, 14030, 14240, 14260, 15128, 16376, 18910, 19520, 20470, 21716, 22072, 22448, 22816, 27145, 27590, 28060, 28480, 28520, 30256, 32752, 37820, 40940, 43432, 43493, 44144, 44896, 45632, 54290, 55180, 56120, 57040, 60512, 63457, 65504, 75640, 81880, 86864, 86986, 88288, 89792, 108580, 110360, 112240, 114080, 121024, 124867, 126914, 131008, 151280, 163760, 168299, 173728, 173972, 176576, 217160, 217465, 220720, 224480, 228160, 249734, 253828, 302560, 317285, 327520, 336598, 347456, 347944, 434320, 434930, 441440, 448960, 499468, 507656, 605120, 624335, 634570, 655040, 673196, 695888, 841495, 868640, 869860, 882880, 998936, 1015312, 1248670, 1269140, 1346392, 1391776, 1682990, 1737280, 1739720, 1997872, 2030624, 2497340, 2538280, 2692784, 2783552, 3365980, 3479440, 3870877, 3995744, 4061248, 4994680, 5076560, 5385568, 6731960, 6958880, 7741754, 7991488, 9989360, 10153120, 10771136, 13463920, 13917760, 15483508, 19354385, 19978720, 20306240, 26927840, 30967016, 38708770, 39957440, 53855680, 61934032, 77417540, 123868064, 154835080, 247736128, 309670160, 619340320, 1238680640]

約数ペア:

[(1, 1238680640), (2, 619340320), (4, 309670160), (5, 247736128), (8, 154835080), (10, 123868064), (16, 77417540), (20, 61934032), (23, 53855680), (31, 39957440), (32, 38708770), (40, 30967016), (46, 26927840), (61, 20306240), (62, 19978720), (64, 19354385), (80, 15483508), (89, 13917760), (92, 13463920), (115, 10771136), (122, 10153120), (124, 9989360), (155, 7991488), (160, 7741754), (178, 6958880), (184, 6731960), (230, 5385568), (244, 5076560), (248, 4994680), (305, 4061248), (310, 3995744), (320, 3870877), (356, 3479440), (368, 3365980), (445, 2783552), (460, 2692784), (488, 2538280), (496, 2497340), (610, 2030624), (620, 1997872), (712, 1739720), (713, 1737280), (736, 1682990), (890, 1391776), (920, 1346392), (976, 1269140), (992, 1248670), (1220, 1015312), (1240, 998936), (1403, 882880), (1424, 869860), (1426, 868640), (1472, 841495), (1780, 695888), (1840, 673196), (1891, 655040), (1952, 634570), (1984, 624335), (2047, 605120), (2440, 507656), (2480, 499468), (2759, 448960), (2806, 441440), (2848, 434930), (2852, 434320), (3560, 347944), (3565, 347456), (3680, 336598), (3782, 327520), (3904, 317285), (4094, 302560), (4880, 253828), (4960, 249734), (5429, 228160), (5518, 224480), (5612, 220720), (5696, 217465), (5704, 217160), (7015, 176576), (7120, 173972), (7130, 173728), (7360, 168299), (7564, 163760), (8188, 151280), (9455, 131008), (9760, 126914), (9920, 124867), (10235, 121024), (10858, 114080), (11036, 112240), (11224, 110360), (11408, 108580), (13795, 89792), (14030, 88288), (14240, 86986), (14260, 86864), (15128, 81880), (16376, 75640), (18910, 65504), (19520, 63457), (20470, 60512), (21716, 57040), (22072, 56120), (22448, 55180), (22816, 54290), (27145, 45632), (27590, 44896), (28060, 44144), (28480, 43493), (28520, 43432), (30256, 40940), (32752, 37820)]