68481840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{40763}}^1$

素因数の和:40786

約数の個数: 80

約数和(自身を含む): 242627328

約数和(自身を除く): 174145488

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, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 40763, 81526, 122289, 163052, 203815, 244578, 285341, 326104, 407630, 489156, 570682, 611445, 652208, 815260, 856023, 978312, 1141364, 1222890, 1426705, 1630520, 1712046, 1956624, 2282728, 2445780, 2853410, 3261040, 3424092, 4280115, 4565456, 4891560, 5706820, 6848184, 8560230, 9783120, 11413640, 13696368, 17120460, 22827280, 34240920, 68481840]

約数ペア:

[(1, 68481840), (2, 34240920), (3, 22827280), (4, 17120460), (5, 13696368), (6, 11413640), (7, 9783120), (8, 8560230), (10, 6848184), (12, 5706820), (14, 4891560), (15, 4565456), (16, 4280115), (20, 3424092), (21, 3261040), (24, 2853410), (28, 2445780), (30, 2282728), (35, 1956624), (40, 1712046), (42, 1630520), (48, 1426705), (56, 1222890), (60, 1141364), (70, 978312), (80, 856023), (84, 815260), (105, 652208), (112, 611445), (120, 570682), (140, 489156), (168, 407630), (210, 326104), (240, 285341), (280, 244578), (336, 203815), (420, 163052), (560, 122289), (840, 81526), (1680, 40763)]