1781294320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{7351}}^1$

素因数の和:7610

約数の個数: 80

約数和(自身を含む): 4479838272

約数和(自身を除く): 2698543952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 233, 260, 466, 520, 932, 1040, 1165, 1864, 2330, 3029, 3728, 4660, 6058, 7351, 9320, 12116, 14702, 15145, 18640, 24232, 29404, 30290, 36755, 48464, 58808, 60580, 73510, 95563, 117616, 121160, 147020, 191126, 242320, 294040, 382252, 477815, 588080, 764504, 955630, 1529008, 1712783, 1911260, 3425566, 3822520, 6851132, 7645040, 8563915, 13702264, 17127830, 22266179, 27404528, 34255660, 44532358, 68511320, 89064716, 111330895, 137022640, 178129432, 222661790, 356258864, 445323580, 890647160, 1781294320]

約数ペア:

[(1, 1781294320), (2, 890647160), (4, 445323580), (5, 356258864), (8, 222661790), (10, 178129432), (13, 137022640), (16, 111330895), (20, 89064716), (26, 68511320), (40, 44532358), (52, 34255660), (65, 27404528), (80, 22266179), (104, 17127830), (130, 13702264), (208, 8563915), (233, 7645040), (260, 6851132), (466, 3822520), (520, 3425566), (932, 1911260), (1040, 1712783), (1165, 1529008), (1864, 955630), (2330, 764504), (3029, 588080), (3728, 477815), (4660, 382252), (6058, 294040), (7351, 242320), (9320, 191126), (12116, 147020), (14702, 121160), (15145, 117616), (18640, 95563), (24232, 73510), (29404, 60580), (30290, 58808), (36755, 48464)]