78378720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23327}}^1$

素因数の和:23352

約数の個数: 96

約数和(自身を含む): 282175488

約数和(自身を除く): 203796768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 23327, 46654, 69981, 93308, 116635, 139962, 163289, 186616, 233270, 279924, 326578, 349905, 373232, 466540, 489867, 559848, 653156, 699810, 746464, 816445, 933080, 979734, 1119696, 1306312, 1399620, 1632890, 1866160, 1959468, 2239392, 2449335, 2612624, 2799240, 3265780, 3732320, 3918936, 4898670, 5225248, 5598480, 6531560, 7837872, 9797340, 11196960, 13063120, 15675744, 19594680, 26126240, 39189360, 78378720]

約数ペア:

[(1, 78378720), (2, 39189360), (3, 26126240), (4, 19594680), (5, 15675744), (6, 13063120), (7, 11196960), (8, 9797340), (10, 7837872), (12, 6531560), (14, 5598480), (15, 5225248), (16, 4898670), (20, 3918936), (21, 3732320), (24, 3265780), (28, 2799240), (30, 2612624), (32, 2449335), (35, 2239392), (40, 1959468), (42, 1866160), (48, 1632890), (56, 1399620), (60, 1306312), (70, 1119696), (80, 979734), (84, 933080), (96, 816445), (105, 746464), (112, 699810), (120, 653156), (140, 559848), (160, 489867), (168, 466540), (210, 373232), (224, 349905), (240, 326578), (280, 279924), (336, 233270), (420, 186616), (480, 163289), (560, 139962), (672, 116635), (840, 93308), (1120, 69981), (1680, 46654), (3360, 23327)]