64972760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{709}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 153360000

約数和(自身を除く): 88387240

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 79, 116, 145, 158, 232, 290, 316, 395, 580, 632, 709, 790, 1160, 1418, 1580, 2291, 2836, 3160, 3545, 4582, 5672, 7090, 9164, 11455, 14180, 18328, 20561, 22910, 28360, 41122, 45820, 56011, 82244, 91640, 102805, 112022, 164488, 205610, 224044, 280055, 411220, 448088, 560110, 822440, 1120220, 1624319, 2240440, 3248638, 6497276, 8121595, 12994552, 16243190, 32486380, 64972760]

約数ペア:

[(1, 64972760), (2, 32486380), (4, 16243190), (5, 12994552), (8, 8121595), (10, 6497276), (20, 3248638), (29, 2240440), (40, 1624319), (58, 1120220), (79, 822440), (116, 560110), (145, 448088), (158, 411220), (232, 280055), (290, 224044), (316, 205610), (395, 164488), (580, 112022), (632, 102805), (709, 91640), (790, 82244), (1160, 56011), (1418, 45820), (1580, 41122), (2291, 28360), (2836, 22910), (3160, 20561), (3545, 18328), (4582, 14180), (5672, 11455), (7090, 9164)]