256469820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{8111}}^1$

素因数の和:8171

約数の個数: 96

約数和(自身を含む): 784982016

約数和(自身を除く): 528512196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 93, 102, 124, 155, 170, 186, 204, 255, 310, 340, 372, 465, 510, 527, 620, 930, 1020, 1054, 1581, 1860, 2108, 2635, 3162, 5270, 6324, 7905, 8111, 10540, 15810, 16222, 24333, 31620, 32444, 40555, 48666, 81110, 97332, 121665, 137887, 162220, 243330, 251441, 275774, 413661, 486660, 502882, 551548, 689435, 754323, 827322, 1005764, 1257205, 1378870, 1508646, 1654644, 2068305, 2514410, 2757740, 3017292, 3771615, 4136610, 4274497, 5028820, 7543230, 8273220, 8548994, 12823491, 15086460, 17097988, 21372485, 25646982, 42744970, 51293964, 64117455, 85489940, 128234910, 256469820]

約数ペア:

[(1, 256469820), (2, 128234910), (3, 85489940), (4, 64117455), (5, 51293964), (6, 42744970), (10, 25646982), (12, 21372485), (15, 17097988), (17, 15086460), (20, 12823491), (30, 8548994), (31, 8273220), (34, 7543230), (51, 5028820), (60, 4274497), (62, 4136610), (68, 3771615), (85, 3017292), (93, 2757740), (102, 2514410), (124, 2068305), (155, 1654644), (170, 1508646), (186, 1378870), (204, 1257205), (255, 1005764), (310, 827322), (340, 754323), (372, 689435), (465, 551548), (510, 502882), (527, 486660), (620, 413661), (930, 275774), (1020, 251441), (1054, 243330), (1581, 162220), (1860, 137887), (2108, 121665), (2635, 97332), (3162, 81110), (5270, 48666), (6324, 40555), (7905, 32444), (8111, 31620), (10540, 24333), (15810, 16222)]