251517960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1$

素因数の和:693

約数の個数: 160

約数和(自身を含む): 852687000

約数和(自身を除く): 601169040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 149, 162, 180, 216, 270, 298, 324, 360, 405, 447, 521, 540, 596, 648, 745, 810, 894, 1042, 1080, 1192, 1341, 1490, 1563, 1620, 1788, 2084, 2235, 2605, 2682, 2980, 3126, 3240, 3576, 4023, 4168, 4470, 4689, 5210, 5364, 5960, 6252, 6705, 7815, 8046, 8940, 9378, 10420, 10728, 12069, 12504, 13410, 14067, 15630, 16092, 17880, 18756, 20115, 20840, 23445, 24138, 26820, 28134, 31260, 32184, 37512, 40230, 42201, 46890, 48276, 53640, 56268, 60345, 62520, 70335, 77629, 80460, 84402, 93780, 96552, 112536, 120690, 140670, 155258, 160920, 168804, 187560, 211005, 232887, 241380, 281340, 310516, 337608, 388145, 422010, 465774, 482760, 562680, 621032, 698661, 776290, 844020, 931548, 1164435, 1397322, 1552580, 1688040, 1863096, 2095983, 2328870, 2794644, 3105160, 3493305, 4191966, 4657740, 5589288, 6287949, 6986610, 8383932, 9315480, 10479915, 12575898, 13973220, 16767864, 20959830, 25151796, 27946440, 31439745, 41919660, 50303592, 62879490, 83839320, 125758980, 251517960]

約数ペア:

[(1, 251517960), (2, 125758980), (3, 83839320), (4, 62879490), (5, 50303592), (6, 41919660), (8, 31439745), (9, 27946440), (10, 25151796), (12, 20959830), (15, 16767864), (18, 13973220), (20, 12575898), (24, 10479915), (27, 9315480), (30, 8383932), (36, 6986610), (40, 6287949), (45, 5589288), (54, 4657740), (60, 4191966), (72, 3493305), (81, 3105160), (90, 2794644), (108, 2328870), (120, 2095983), (135, 1863096), (149, 1688040), (162, 1552580), (180, 1397322), (216, 1164435), (270, 931548), (298, 844020), (324, 776290), (360, 698661), (405, 621032), (447, 562680), (521, 482760), (540, 465774), (596, 422010), (648, 388145), (745, 337608), (810, 310516), (894, 281340), (1042, 241380), (1080, 232887), (1192, 211005), (1341, 187560), (1490, 168804), (1563, 160920), (1620, 155258), (1788, 140670), (2084, 120690), (2235, 112536), (2605, 96552), (2682, 93780), (2980, 84402), (3126, 80460), (3240, 77629), (3576, 70335), (4023, 62520), (4168, 60345), (4470, 56268), (4689, 53640), (5210, 48276), (5364, 46890), (5960, 42201), (6252, 40230), (6705, 37512), (7815, 32184), (8046, 31260), (8940, 28134), (9378, 26820), (10420, 24138), (10728, 23445), (12069, 20840), (12504, 20115), (13410, 18756), (14067, 17880), (15630, 16092)]