51657960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 165312000

約数和(自身を除く): 113654040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 139, 152, 163, 190, 228, 278, 285, 326, 380, 417, 456, 489, 556, 570, 652, 695, 760, 815, 834, 978, 1112, 1140, 1304, 1390, 1630, 1668, 1956, 2085, 2280, 2445, 2641, 2780, 3097, 3260, 3336, 3912, 4170, 4890, 5282, 5560, 6194, 6520, 7923, 8340, 9291, 9780, 10564, 12388, 13205, 15485, 15846, 16680, 18582, 19560, 21128, 22657, 24776, 26410, 30970, 31692, 37164, 39615, 45314, 46455, 52820, 61940, 63384, 67971, 74328, 79230, 90628, 92910, 105640, 113285, 123880, 135942, 158460, 181256, 185820, 226570, 271884, 316920, 339855, 371640, 430483, 453140, 543768, 679710, 860966, 906280, 1291449, 1359420, 1721932, 2152415, 2582898, 2718840, 3443864, 4304830, 5165796, 6457245, 8609660, 10331592, 12914490, 17219320, 25828980, 51657960]

約数ペア:

[(1, 51657960), (2, 25828980), (3, 17219320), (4, 12914490), (5, 10331592), (6, 8609660), (8, 6457245), (10, 5165796), (12, 4304830), (15, 3443864), (19, 2718840), (20, 2582898), (24, 2152415), (30, 1721932), (38, 1359420), (40, 1291449), (57, 906280), (60, 860966), (76, 679710), (95, 543768), (114, 453140), (120, 430483), (139, 371640), (152, 339855), (163, 316920), (190, 271884), (228, 226570), (278, 185820), (285, 181256), (326, 158460), (380, 135942), (417, 123880), (456, 113285), (489, 105640), (556, 92910), (570, 90628), (652, 79230), (695, 74328), (760, 67971), (815, 63384), (834, 61940), (978, 52820), (1112, 46455), (1140, 45314), (1304, 39615), (1390, 37164), (1630, 31692), (1668, 30970), (1956, 26410), (2085, 24776), (2280, 22657), (2445, 21128), (2641, 19560), (2780, 18582), (3097, 16680), (3260, 15846), (3336, 15485), (3912, 13205), (4170, 12388), (4890, 10564), (5282, 9780), (5560, 9291), (6194, 8340), (6520, 7923)]