331515240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:520

約数の個数: 256

約数和(自身を含む): 1216512000

約数和(自身を除く): 884996760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 31, 35, 40, 42, 56, 58, 60, 62, 70, 84, 87, 93, 105, 116, 120, 124, 140, 145, 155, 168, 174, 186, 203, 210, 217, 232, 248, 280, 290, 310, 348, 372, 406, 420, 434, 435, 439, 465, 580, 609, 620, 651, 696, 744, 812, 840, 868, 870, 878, 899, 930, 1015, 1085, 1160, 1218, 1240, 1302, 1317, 1624, 1736, 1740, 1756, 1798, 1860, 2030, 2170, 2195, 2436, 2604, 2634, 2697, 3045, 3073, 3255, 3480, 3512, 3596, 3720, 4060, 4340, 4390, 4495, 4872, 5208, 5268, 5394, 6090, 6146, 6293, 6510, 6585, 7192, 8120, 8680, 8780, 8990, 9219, 10536, 10788, 12180, 12292, 12586, 12731, 13020, 13170, 13485, 13609, 15365, 17560, 17980, 18438, 18879, 21576, 24360, 24584, 25172, 25462, 26040, 26340, 26970, 27218, 30730, 31465, 35960, 36876, 37758, 38193, 40827, 46095, 50344, 50924, 52680, 53940, 54436, 61460, 62930, 63655, 68045, 73752, 75516, 76386, 81654, 89117, 92190, 94395, 95263, 101848, 107880, 108872, 122920, 125860, 127310, 136090, 151032, 152772, 163308, 178234, 184380, 188790, 190526, 190965, 204135, 251720, 254620, 267351, 272180, 285789, 305544, 326616, 356468, 368760, 377580, 381052, 381930, 394661, 408270, 445585, 476315, 509240, 534702, 544360, 571578, 712936, 755160, 762104, 763860, 789322, 816540, 891170, 952630, 1069404, 1143156, 1183983, 1336755, 1428945, 1527720, 1578644, 1633080, 1782340, 1905260, 1973305, 2138808, 2286312, 2367966, 2673510, 2762627, 2857890, 3157288, 3564680, 3810520, 3946610, 4735932, 5347020, 5525254, 5715780, 5919915, 7893220, 8287881, 9471864, 10694040, 11050508, 11431560, 11839830, 13813135, 15786440, 16575762, 22101016, 23679660, 27626270, 33151524, 41439405, 47359320, 55252540, 66303048, 82878810, 110505080, 165757620, 331515240]

約数ペア:

[(1, 331515240), (2, 165757620), (3, 110505080), (4, 82878810), (5, 66303048), (6, 55252540), (7, 47359320), (8, 41439405), (10, 33151524), (12, 27626270), (14, 23679660), (15, 22101016), (20, 16575762), (21, 15786440), (24, 13813135), (28, 11839830), (29, 11431560), (30, 11050508), (31, 10694040), (35, 9471864), (40, 8287881), (42, 7893220), (56, 5919915), (58, 5715780), (60, 5525254), (62, 5347020), (70, 4735932), (84, 3946610), (87, 3810520), (93, 3564680), (105, 3157288), (116, 2857890), (120, 2762627), (124, 2673510), (140, 2367966), (145, 2286312), (155, 2138808), (168, 1973305), (174, 1905260), (186, 1782340), (203, 1633080), (210, 1578644), (217, 1527720), (232, 1428945), (248, 1336755), (280, 1183983), (290, 1143156), (310, 1069404), (348, 952630), (372, 891170), (406, 816540), (420, 789322), (434, 763860), (435, 762104), (439, 755160), (465, 712936), (580, 571578), (609, 544360), (620, 534702), (651, 509240), (696, 476315), (744, 445585), (812, 408270), (840, 394661), (868, 381930), (870, 381052), (878, 377580), (899, 368760), (930, 356468), (1015, 326616), (1085, 305544), (1160, 285789), (1218, 272180), (1240, 267351), (1302, 254620), (1317, 251720), (1624, 204135), (1736, 190965), (1740, 190526), (1756, 188790), (1798, 184380), (1860, 178234), (2030, 163308), (2170, 152772), (2195, 151032), (2436, 136090), (2604, 127310), (2634, 125860), (2697, 122920), (3045, 108872), (3073, 107880), (3255, 101848), (3480, 95263), (3512, 94395), (3596, 92190), (3720, 89117), (4060, 81654), (4340, 76386), (4390, 75516), (4495, 73752), (4872, 68045), (5208, 63655), (5268, 62930), (5394, 61460), (6090, 54436), (6146, 53940), (6293, 52680), (6510, 50924), (6585, 50344), (7192, 46095), (8120, 40827), (8680, 38193), (8780, 37758), (8990, 36876), (9219, 35960), (10536, 31465), (10788, 30730), (12180, 27218), (12292, 26970), (12586, 26340), (12731, 26040), (13020, 25462), (13170, 25172), (13485, 24584), (13609, 24360), (15365, 21576), (17560, 18879), (17980, 18438)]