1297725240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{2179}}^1$

素因数の和:2909

約数の個数: 128

約数和(自身を含む): 4457664000

約数和(自身を除く): 3159938760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 709, 840, 1418, 2127, 2179, 2836, 3545, 4254, 4358, 4963, 5672, 6537, 7090, 8508, 8716, 9926, 10635, 10895, 13074, 14180, 14889, 15253, 17016, 17432, 19852, 21270, 21790, 24815, 26148, 28360, 29778, 30506, 32685, 39704, 42540, 43580, 45759, 49630, 52296, 59556, 61012, 65370, 74445, 76265, 85080, 87160, 91518, 99260, 119112, 122024, 130740, 148890, 152530, 183036, 198520, 228795, 261480, 297780, 305060, 366072, 457590, 595560, 610120, 915180, 1544911, 1830360, 3089822, 4634733, 6179644, 7724555, 9269466, 10814377, 12359288, 15449110, 18538932, 21628754, 23173665, 30898220, 32443131, 37077864, 43257508, 46347330, 54071885, 61796440, 64886262, 86515016, 92694660, 108143770, 129772524, 162215655, 185389320, 216287540, 259545048, 324431310, 432575080, 648862620, 1297725240]

約数ペア:

[(1, 1297725240), (2, 648862620), (3, 432575080), (4, 324431310), (5, 259545048), (6, 216287540), (7, 185389320), (8, 162215655), (10, 129772524), (12, 108143770), (14, 92694660), (15, 86515016), (20, 64886262), (21, 61796440), (24, 54071885), (28, 46347330), (30, 43257508), (35, 37077864), (40, 32443131), (42, 30898220), (56, 23173665), (60, 21628754), (70, 18538932), (84, 15449110), (105, 12359288), (120, 10814377), (140, 9269466), (168, 7724555), (210, 6179644), (280, 4634733), (420, 3089822), (709, 1830360), (840, 1544911), (1418, 915180), (2127, 610120), (2179, 595560), (2836, 457590), (3545, 366072), (4254, 305060), (4358, 297780), (4963, 261480), (5672, 228795), (6537, 198520), (7090, 183036), (8508, 152530), (8716, 148890), (9926, 130740), (10635, 122024), (10895, 119112), (13074, 99260), (14180, 91518), (14889, 87160), (15253, 85080), (17016, 76265), (17432, 74445), (19852, 65370), (21270, 61012), (21790, 59556), (24815, 52296), (26148, 49630), (28360, 45759), (29778, 43580), (30506, 42540), (32685, 39704)]