1815681010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43783}}^1$

素因数の和:43843

約数の個数: 64

約数和(自身を含む): 3972084480

約数和(自身を除く): 2156403470

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 29, 55, 58, 65, 110, 130, 143, 145, 286, 290, 319, 377, 638, 715, 754, 1430, 1595, 1885, 3190, 3770, 4147, 8294, 20735, 41470, 43783, 87566, 218915, 437830, 481613, 569179, 963226, 1138358, 1269707, 2408065, 2539414, 2845895, 4816130, 5691790, 6260969, 6348535, 12521938, 12697070, 13966777, 16506191, 27933554, 31304845, 33012382, 62609690, 69833885, 82530955, 139667770, 165061910, 181568101, 363136202, 907840505, 1815681010]

約数ペア:

[(1, 1815681010), (2, 907840505), (5, 363136202), (10, 181568101), (11, 165061910), (13, 139667770), (22, 82530955), (26, 69833885), (29, 62609690), (55, 33012382), (58, 31304845), (65, 27933554), (110, 16506191), (130, 13966777), (143, 12697070), (145, 12521938), (286, 6348535), (290, 6260969), (319, 5691790), (377, 4816130), (638, 2845895), (715, 2539414), (754, 2408065), (1430, 1269707), (1595, 1138358), (1885, 963226), (3190, 569179), (3770, 481613), (4147, 437830), (8294, 218915), (20735, 87566), (41470, 43783)]