681923840

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:524

約数の個数: 144

約数和(自身を含む): 1780144128

約数和(自身を除く): 1098220288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 107, 128, 130, 160, 208, 214, 256, 260, 320, 383, 416, 428, 520, 535, 640, 766, 832, 856, 1040, 1070, 1280, 1391, 1532, 1664, 1712, 1915, 2080, 2140, 2782, 3064, 3328, 3424, 3830, 4160, 4280, 4979, 5564, 6128, 6848, 6955, 7660, 8320, 8560, 9958, 11128, 12256, 13696, 13910, 15320, 16640, 17120, 19916, 22256, 24512, 24895, 27392, 27820, 30640, 34240, 39832, 40981, 44512, 49024, 49790, 55640, 61280, 68480, 79664, 81962, 89024, 98048, 99580, 111280, 122560, 136960, 159328, 163924, 178048, 199160, 204905, 222560, 245120, 318656, 327848, 356096, 398320, 409810, 445120, 490240, 532753, 637312, 655696, 796640, 819620, 890240, 1065506, 1274624, 1311392, 1593280, 1639240, 1780480, 2131012, 2622784, 2663765, 3186560, 3278480, 4262024, 5245568, 5327530, 6373120, 6556960, 8524048, 10491136, 10655060, 13113920, 17048096, 21310120, 26227840, 34096192, 42620240, 52455680, 68192384, 85240480, 136384768, 170480960, 340961920, 681923840]

約数ペア:

[(1, 681923840), (2, 340961920), (4, 170480960), (5, 136384768), (8, 85240480), (10, 68192384), (13, 52455680), (16, 42620240), (20, 34096192), (26, 26227840), (32, 21310120), (40, 17048096), (52, 13113920), (64, 10655060), (65, 10491136), (80, 8524048), (104, 6556960), (107, 6373120), (128, 5327530), (130, 5245568), (160, 4262024), (208, 3278480), (214, 3186560), (256, 2663765), (260, 2622784), (320, 2131012), (383, 1780480), (416, 1639240), (428, 1593280), (520, 1311392), (535, 1274624), (640, 1065506), (766, 890240), (832, 819620), (856, 796640), (1040, 655696), (1070, 637312), (1280, 532753), (1391, 490240), (1532, 445120), (1664, 409810), (1712, 398320), (1915, 356096), (2080, 327848), (2140, 318656), (2782, 245120), (3064, 222560), (3328, 204905), (3424, 199160), (3830, 178048), (4160, 163924), (4280, 159328), (4979, 136960), (5564, 122560), (6128, 111280), (6848, 99580), (6955, 98048), (7660, 89024), (8320, 81962), (8560, 79664), (9958, 68480), (11128, 61280), (12256, 55640), (13696, 49790), (13910, 49024), (15320, 44512), (16640, 40981), (17120, 39832), (19916, 34240), (22256, 30640), (24512, 27820), (24895, 27392)]