262585680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1049}}^1$

素因数の和:1221

約数の個数: 160

約数和(自身を含む): 937440000

約数和(自身を除く): 674854320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 149, 168, 210, 240, 280, 298, 336, 420, 447, 560, 596, 745, 840, 894, 1043, 1049, 1192, 1490, 1680, 1788, 2086, 2098, 2235, 2384, 2980, 3129, 3147, 3576, 4172, 4196, 4470, 5215, 5245, 5960, 6258, 6294, 7152, 7343, 8344, 8392, 8940, 10430, 10490, 11920, 12516, 12588, 14686, 15645, 15735, 16688, 16784, 17880, 20860, 20980, 22029, 25032, 25176, 29372, 31290, 31470, 35760, 36715, 41720, 41960, 44058, 50064, 50352, 58744, 62580, 62940, 73430, 83440, 83920, 88116, 110145, 117488, 125160, 125880, 146860, 156301, 176232, 220290, 250320, 251760, 293720, 312602, 352464, 440580, 468903, 587440, 625204, 781505, 881160, 937806, 1094107, 1250408, 1563010, 1762320, 1875612, 2188214, 2344515, 2500816, 3126020, 3282321, 3751224, 4376428, 4689030, 5470535, 6252040, 6564642, 7502448, 8752856, 9378060, 10941070, 12504080, 13129284, 16411605, 17505712, 18756120, 21882140, 26258568, 32823210, 37512240, 43764280, 52517136, 65646420, 87528560, 131292840, 262585680]

約数ペア:

[(1, 262585680), (2, 131292840), (3, 87528560), (4, 65646420), (5, 52517136), (6, 43764280), (7, 37512240), (8, 32823210), (10, 26258568), (12, 21882140), (14, 18756120), (15, 17505712), (16, 16411605), (20, 13129284), (21, 12504080), (24, 10941070), (28, 9378060), (30, 8752856), (35, 7502448), (40, 6564642), (42, 6252040), (48, 5470535), (56, 4689030), (60, 4376428), (70, 3751224), (80, 3282321), (84, 3126020), (105, 2500816), (112, 2344515), (120, 2188214), (140, 1875612), (149, 1762320), (168, 1563010), (210, 1250408), (240, 1094107), (280, 937806), (298, 881160), (336, 781505), (420, 625204), (447, 587440), (560, 468903), (596, 440580), (745, 352464), (840, 312602), (894, 293720), (1043, 251760), (1049, 250320), (1192, 220290), (1490, 176232), (1680, 156301), (1788, 146860), (2086, 125880), (2098, 125160), (2235, 117488), (2384, 110145), (2980, 88116), (3129, 83920), (3147, 83440), (3576, 73430), (4172, 62940), (4196, 62580), (4470, 58744), (5215, 50352), (5245, 50064), (5960, 44058), (6258, 41960), (6294, 41720), (7152, 36715), (7343, 35760), (8344, 31470), (8392, 31290), (8940, 29372), (10430, 25176), (10490, 25032), (11920, 22029), (12516, 20980), (12588, 20860), (14686, 17880), (15645, 16784), (15735, 16688)]