81556410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7211}}^1$

素因数の和:7263

約数の個数: 64

約数和(自身を含む): 218090880

約数和(自身を除く): 136534470

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 195, 290, 377, 390, 435, 754, 870, 1131, 1885, 2262, 3770, 5655, 7211, 11310, 14422, 21633, 36055, 43266, 72110, 93743, 108165, 187486, 209119, 216330, 281229, 418238, 468715, 562458, 627357, 937430, 1045595, 1254714, 1406145, 2091190, 2718547, 2812290, 3136785, 5437094, 6273570, 8155641, 13592735, 16311282, 27185470, 40778205, 81556410]

約数ペア:

[(1, 81556410), (2, 40778205), (3, 27185470), (5, 16311282), (6, 13592735), (10, 8155641), (13, 6273570), (15, 5437094), (26, 3136785), (29, 2812290), (30, 2718547), (39, 2091190), (58, 1406145), (65, 1254714), (78, 1045595), (87, 937430), (130, 627357), (145, 562458), (174, 468715), (195, 418238), (290, 281229), (377, 216330), (390, 209119), (435, 187486), (754, 108165), (870, 93743), (1131, 72110), (1885, 43266), (2262, 36055), (3770, 21633), (5655, 14422), (7211, 11310)]