256367910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:933

約数の個数: 64

約数和(自身を含む): 627782400

約数和(自身を除く): 371414490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 149, 166, 249, 298, 415, 447, 498, 691, 745, 830, 894, 1245, 1382, 1490, 2073, 2235, 2490, 3455, 4146, 4470, 6910, 10365, 12367, 20730, 24734, 37101, 57353, 61835, 74202, 102959, 114706, 123670, 172059, 185505, 205918, 286765, 308877, 344118, 371010, 514795, 573530, 617754, 860295, 1029590, 1544385, 1720590, 3088770, 8545597, 17091194, 25636791, 42727985, 51273582, 85455970, 128183955, 256367910]

約数ペア:

[(1, 256367910), (2, 128183955), (3, 85455970), (5, 51273582), (6, 42727985), (10, 25636791), (15, 17091194), (30, 8545597), (83, 3088770), (149, 1720590), (166, 1544385), (249, 1029590), (298, 860295), (415, 617754), (447, 573530), (498, 514795), (691, 371010), (745, 344118), (830, 308877), (894, 286765), (1245, 205918), (1382, 185505), (1490, 172059), (2073, 123670), (2235, 114706), (2490, 102959), (3455, 74202), (4146, 61835), (4470, 57353), (6910, 37101), (10365, 24734), (12367, 20730)]