81075160

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 187790400

約数和(自身を除く): 106715240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 167, 212, 229, 265, 334, 424, 458, 530, 668, 835, 916, 1060, 1145, 1336, 1670, 1832, 2120, 2290, 3340, 4580, 6680, 8851, 9160, 12137, 17702, 24274, 35404, 38243, 44255, 48548, 60685, 70808, 76486, 88510, 97096, 121370, 152972, 177020, 191215, 242740, 305944, 354040, 382430, 485480, 764860, 1529720, 2026879, 4053758, 8107516, 10134395, 16215032, 20268790, 40537580, 81075160]

約数ペア:

[(1, 81075160), (2, 40537580), (4, 20268790), (5, 16215032), (8, 10134395), (10, 8107516), (20, 4053758), (40, 2026879), (53, 1529720), (106, 764860), (167, 485480), (212, 382430), (229, 354040), (265, 305944), (334, 242740), (424, 191215), (458, 177020), (530, 152972), (668, 121370), (835, 97096), (916, 88510), (1060, 76486), (1145, 70808), (1336, 60685), (1670, 48548), (1832, 44255), (2120, 38243), (2290, 35404), (3340, 24274), (4580, 17702), (6680, 12137), (8851, 9160)]