289778931480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{1211653}}^1$

素因数の和:1213660

約数の個数: 64

約数和(自身を含む): 869773707360

約数和(自身を除く): 579994775880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1993, 3986, 5979, 7972, 9965, 11958, 15944, 19930, 23916, 29895, 39860, 47832, 59790, 79720, 119580, 239160, 1211653, 2423306, 3634959, 4846612, 6058265, 7269918, 9693224, 12116530, 14539836, 18174795, 24233060, 29079672, 36349590, 48466120, 72699180, 145398360, 2414824429, 4829648858, 7244473287, 9659297716, 12074122145, 14488946574, 19318595432, 24148244290, 28977893148, 36222366435, 48296488580, 57955786296, 72444732870, 96592977160, 144889465740, 289778931480]

約数ペア:

[(1, 289778931480), (2, 144889465740), (3, 96592977160), (4, 72444732870), (5, 57955786296), (6, 48296488580), (8, 36222366435), (10, 28977893148), (12, 24148244290), (15, 19318595432), (20, 14488946574), (24, 12074122145), (30, 9659297716), (40, 7244473287), (60, 4829648858), (120, 2414824429), (1993, 145398360), (3986, 72699180), (5979, 48466120), (7972, 36349590), (9965, 29079672), (11958, 24233060), (15944, 18174795), (19930, 14539836), (23916, 12116530), (29895, 9693224), (39860, 7269918), (47832, 6058265), (59790, 4846612), (79720, 3634959), (119580, 2423306), (239160, 1211653)]