18387731440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1151}}^1\times {\mathrm{15361}}^1$

素因数の和:16538

約数の個数: 80

約数和(自身を含む): 46083050496

約数和(自身を除く): 27695319056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1151, 2302, 4604, 5755, 9208, 11510, 14963, 15361, 18416, 23020, 29926, 30722, 46040, 59852, 61444, 74815, 76805, 92080, 119704, 122888, 149630, 153610, 199693, 239408, 245776, 299260, 307220, 399386, 598520, 614440, 798772, 998465, 1197040, 1228880, 1597544, 1996930, 3195088, 3993860, 7987720, 15975440, 17680511, 35361022, 70722044, 88402555, 141444088, 176805110, 229846643, 282888176, 353610220, 459693286, 707220440, 919386572, 1149233215, 1414440880, 1838773144, 2298466430, 3677546288, 4596932860, 9193865720, 18387731440]

約数ペア:

[(1, 18387731440), (2, 9193865720), (4, 4596932860), (5, 3677546288), (8, 2298466430), (10, 1838773144), (13, 1414440880), (16, 1149233215), (20, 919386572), (26, 707220440), (40, 459693286), (52, 353610220), (65, 282888176), (80, 229846643), (104, 176805110), (130, 141444088), (208, 88402555), (260, 70722044), (520, 35361022), (1040, 17680511), (1151, 15975440), (2302, 7987720), (4604, 3993860), (5755, 3195088), (9208, 1996930), (11510, 1597544), (14963, 1228880), (15361, 1197040), (18416, 998465), (23020, 798772), (29926, 614440), (30722, 598520), (46040, 399386), (59852, 307220), (61444, 299260), (74815, 245776), (76805, 239408), (92080, 199693), (119704, 153610), (122888, 149630)]