91763240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 212544000

約数和(自身を除く): 120780760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 79, 142, 158, 284, 316, 355, 395, 409, 568, 632, 710, 790, 818, 1420, 1580, 1636, 2045, 2840, 3160, 3272, 4090, 5609, 8180, 11218, 16360, 22436, 28045, 29039, 32311, 44872, 56090, 58078, 64622, 112180, 116156, 129244, 145195, 161555, 224360, 232312, 258488, 290390, 323110, 580780, 646220, 1161560, 1292440, 2294081, 4588162, 9176324, 11470405, 18352648, 22940810, 45881620, 91763240]

約数ペア:

[(1, 91763240), (2, 45881620), (4, 22940810), (5, 18352648), (8, 11470405), (10, 9176324), (20, 4588162), (40, 2294081), (71, 1292440), (79, 1161560), (142, 646220), (158, 580780), (284, 323110), (316, 290390), (355, 258488), (395, 232312), (409, 224360), (568, 161555), (632, 145195), (710, 129244), (790, 116156), (818, 112180), (1420, 64622), (1580, 58078), (1636, 56090), (2045, 44872), (2840, 32311), (3160, 29039), (3272, 28045), (4090, 22436), (5609, 16360), (8180, 11218)]