1256787420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{6491}}^1$

素因数の和:6971

約数の個数: 96

約数和(自身を含む): 4031064576

約数和(自身を除く): 2774277156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 461, 922, 1383, 1844, 2305, 2766, 3227, 4610, 5532, 6454, 6491, 6915, 9220, 9681, 12908, 12982, 13830, 16135, 19362, 19473, 25964, 27660, 32270, 32455, 38724, 38946, 45437, 48405, 64540, 64910, 77892, 90874, 96810, 97365, 129820, 136311, 181748, 193620, 194730, 227185, 272622, 389460, 454370, 545244, 681555, 908740, 1363110, 2726220, 2992351, 5984702, 8977053, 11969404, 14961755, 17954106, 20946457, 29923510, 35908212, 41892914, 44885265, 59847020, 62839371, 83785828, 89770530, 104732285, 125678742, 179541060, 209464570, 251357484, 314196855, 418929140, 628393710, 1256787420]

約数ペア:

[(1, 1256787420), (2, 628393710), (3, 418929140), (4, 314196855), (5, 251357484), (6, 209464570), (7, 179541060), (10, 125678742), (12, 104732285), (14, 89770530), (15, 83785828), (20, 62839371), (21, 59847020), (28, 44885265), (30, 41892914), (35, 35908212), (42, 29923510), (60, 20946457), (70, 17954106), (84, 14961755), (105, 11969404), (140, 8977053), (210, 5984702), (420, 2992351), (461, 2726220), (922, 1363110), (1383, 908740), (1844, 681555), (2305, 545244), (2766, 454370), (3227, 389460), (4610, 272622), (5532, 227185), (6454, 194730), (6491, 193620), (6915, 181748), (9220, 136311), (9681, 129820), (12908, 97365), (12982, 96810), (13830, 90874), (16135, 77892), (19362, 64910), (19473, 64540), (25964, 48405), (27660, 45437), (32270, 38946), (32455, 38724)]