247653840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{21059}}^1$

素因数の和:21089

約数の個数: 120

約数和(自身を含む): 893112480

約数和(自身を除く): 645458640

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, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 21059, 42118, 63177, 84236, 105295, 126354, 147413, 168472, 210590, 252708, 294826, 315885, 336944, 421180, 442239, 505416, 589652, 631770, 737065, 842360, 884478, 1010832, 1031891, 1179304, 1263540, 1474130, 1684720, 1768956, 2063782, 2211195, 2358608, 2527080, 2948260, 3095673, 3537912, 4127564, 4422390, 5054160, 5159455, 5896520, 6191346, 7075824, 8255128, 8844780, 10318910, 11793040, 12382692, 15478365, 16510256, 17689560, 20637820, 24765384, 30956730, 35379120, 41275640, 49530768, 61913460, 82551280, 123826920, 247653840]

約数ペア:

[(1, 247653840), (2, 123826920), (3, 82551280), (4, 61913460), (5, 49530768), (6, 41275640), (7, 35379120), (8, 30956730), (10, 24765384), (12, 20637820), (14, 17689560), (15, 16510256), (16, 15478365), (20, 12382692), (21, 11793040), (24, 10318910), (28, 8844780), (30, 8255128), (35, 7075824), (40, 6191346), (42, 5896520), (48, 5159455), (49, 5054160), (56, 4422390), (60, 4127564), (70, 3537912), (80, 3095673), (84, 2948260), (98, 2527080), (105, 2358608), (112, 2211195), (120, 2063782), (140, 1768956), (147, 1684720), (168, 1474130), (196, 1263540), (210, 1179304), (240, 1031891), (245, 1010832), (280, 884478), (294, 842360), (336, 737065), (392, 631770), (420, 589652), (490, 505416), (560, 442239), (588, 421180), (735, 336944), (784, 315885), (840, 294826), (980, 252708), (1176, 210590), (1470, 168472), (1680, 147413), (1960, 126354), (2352, 105295), (2940, 84236), (3920, 63177), (5880, 42118), (11760, 21059)]