156776378480

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1249}}^1\times {\mathrm{19861}}^1$

素因数の和:21202

約数の個数: 80

約数和(自身を含む): 369433200000

約数和(自身を除く): 212656821520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1249, 1264, 1580, 2498, 3160, 4996, 6245, 6320, 9992, 12490, 19861, 19984, 24980, 39722, 49960, 79444, 98671, 99305, 99920, 158888, 197342, 198610, 317776, 394684, 397220, 493355, 789368, 794440, 986710, 1569019, 1578736, 1588880, 1973420, 3138038, 3946840, 6276076, 7845095, 7893680, 12552152, 15690190, 24806389, 25104304, 31380380, 49612778, 62760760, 99225556, 124031945, 125521520, 198451112, 248063890, 396902224, 496127780, 992255560, 1959704731, 1984511120, 3919409462, 7838818924, 9798523655, 15677637848, 19597047310, 31355275696, 39194094620, 78388189240, 156776378480]

約数ペア:

[(1, 156776378480), (2, 78388189240), (4, 39194094620), (5, 31355275696), (8, 19597047310), (10, 15677637848), (16, 9798523655), (20, 7838818924), (40, 3919409462), (79, 1984511120), (80, 1959704731), (158, 992255560), (316, 496127780), (395, 396902224), (632, 248063890), (790, 198451112), (1249, 125521520), (1264, 124031945), (1580, 99225556), (2498, 62760760), (3160, 49612778), (4996, 31380380), (6245, 25104304), (6320, 24806389), (9992, 15690190), (12490, 12552152), (19861, 7893680), (19984, 7845095), (24980, 6276076), (39722, 3946840), (49960, 3138038), (79444, 1973420), (98671, 1588880), (99305, 1578736), (99920, 1569019), (158888, 986710), (197342, 794440), (198610, 789368), (317776, 493355), (394684, 397220)]