85726980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20707}}^1$

素因数の和:20745

約数の個数: 72

約数和(自身を含む): 271357632

約数和(自身を除く): 185630652

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, 20707, 41414, 62121, 82828, 103535, 124242, 186363, 207070, 248484, 310605, 372726, 414140, 476261, 621210, 745452, 931815, 952522, 1242420, 1428783, 1863630, 1905044, 2381305, 2857566, 3727260, 4286349, 4762610, 5715132, 7143915, 8572698, 9525220, 14287830, 17145396, 21431745, 28575660, 42863490, 85726980]

約数ペア:

[(1, 85726980), (2, 42863490), (3, 28575660), (4, 21431745), (5, 17145396), (6, 14287830), (9, 9525220), (10, 8572698), (12, 7143915), (15, 5715132), (18, 4762610), (20, 4286349), (23, 3727260), (30, 2857566), (36, 2381305), (45, 1905044), (46, 1863630), (60, 1428783), (69, 1242420), (90, 952522), (92, 931815), (115, 745452), (138, 621210), (180, 476261), (207, 414140), (230, 372726), (276, 310605), (345, 248484), (414, 207070), (460, 186363), (690, 124242), (828, 103535), (1035, 82828), (1380, 62121), (2070, 41414), (4140, 20707)]