1947364440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{15559}}^1$

素因数の和:15729

約数の個数: 128

約数和(自身を含む): 6721920000

約数和(自身を除く): 4774555560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 149, 168, 210, 280, 298, 420, 447, 596, 745, 840, 894, 1043, 1192, 1490, 1788, 2086, 2235, 2980, 3129, 3576, 4172, 4470, 5215, 5960, 6258, 8344, 8940, 10430, 12516, 15559, 15645, 17880, 20860, 25032, 31118, 31290, 41720, 46677, 62236, 62580, 77795, 93354, 108913, 124472, 125160, 155590, 186708, 217826, 233385, 311180, 326739, 373416, 435652, 466770, 544565, 622360, 653478, 871304, 933540, 1089130, 1306956, 1633695, 1867080, 2178260, 2318291, 2613912, 3267390, 4356520, 4636582, 6534780, 6954873, 9273164, 11591455, 13069560, 13909746, 16228037, 18546328, 23182910, 27819492, 32456074, 34774365, 46365820, 48684111, 55638984, 64912148, 69548730, 81140185, 92731640, 97368222, 129824296, 139097460, 162280370, 194736444, 243420555, 278194920, 324560740, 389472888, 486841110, 649121480, 973682220, 1947364440]

約数ペア:

[(1, 1947364440), (2, 973682220), (3, 649121480), (4, 486841110), (5, 389472888), (6, 324560740), (7, 278194920), (8, 243420555), (10, 194736444), (12, 162280370), (14, 139097460), (15, 129824296), (20, 97368222), (21, 92731640), (24, 81140185), (28, 69548730), (30, 64912148), (35, 55638984), (40, 48684111), (42, 46365820), (56, 34774365), (60, 32456074), (70, 27819492), (84, 23182910), (105, 18546328), (120, 16228037), (140, 13909746), (149, 13069560), (168, 11591455), (210, 9273164), (280, 6954873), (298, 6534780), (420, 4636582), (447, 4356520), (596, 3267390), (745, 2613912), (840, 2318291), (894, 2178260), (1043, 1867080), (1192, 1633695), (1490, 1306956), (1788, 1089130), (2086, 933540), (2235, 871304), (2980, 653478), (3129, 622360), (3576, 544565), (4172, 466770), (4470, 435652), (5215, 373416), (5960, 326739), (6258, 311180), (8344, 233385), (8940, 217826), (10430, 186708), (12516, 155590), (15559, 125160), (15645, 124472), (17880, 108913), (20860, 93354), (25032, 77795), (31118, 62580), (31290, 62236), (41720, 46677)]