86720580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20947}}^1$

素因数の和:20985

約数の個数: 72

約数和(自身を含む): 274502592

約数和(自身を除く): 187782012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 20947, 41894, 62841, 83788, 104735, 125682, 188523, 209470, 251364, 314205, 377046, 418940, 481781, 628410, 754092, 942615, 963562, 1256820, 1445343, 1885230, 1927124, 2408905, 2890686, 3770460, 4336029, 4817810, 5781372, 7226715, 8672058, 9635620, 14453430, 17344116, 21680145, 28906860, 43360290, 86720580]

約数ペア:

[(1, 86720580), (2, 43360290), (3, 28906860), (4, 21680145), (5, 17344116), (6, 14453430), (9, 9635620), (10, 8672058), (12, 7226715), (15, 5781372), (18, 4817810), (20, 4336029), (23, 3770460), (30, 2890686), (36, 2408905), (45, 1927124), (46, 1885230), (60, 1445343), (69, 1256820), (90, 963562), (92, 942615), (115, 754092), (138, 628410), (180, 481781), (207, 418940), (230, 377046), (276, 314205), (345, 251364), (414, 209470), (460, 188523), (690, 125682), (828, 104735), (1035, 83788), (1380, 62841), (2070, 41894), (4140, 20947)]