71636880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42641}}^1$

素因数の和:42664

約数の個数: 80

約数和(自身を含む): 253805184

約数和(自身を除く): 182168304

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, 42641, 85282, 127923, 170564, 213205, 255846, 298487, 341128, 426410, 511692, 596974, 639615, 682256, 852820, 895461, 1023384, 1193948, 1279230, 1492435, 1705640, 1790922, 2046768, 2387896, 2558460, 2984870, 3411280, 3581844, 4477305, 4775792, 5116920, 5969740, 7163688, 8954610, 10233840, 11939480, 14327376, 17909220, 23878960, 35818440, 71636880]

約数ペア:

[(1, 71636880), (2, 35818440), (3, 23878960), (4, 17909220), (5, 14327376), (6, 11939480), (7, 10233840), (8, 8954610), (10, 7163688), (12, 5969740), (14, 5116920), (15, 4775792), (16, 4477305), (20, 3581844), (21, 3411280), (24, 2984870), (28, 2558460), (30, 2387896), (35, 2046768), (40, 1790922), (42, 1705640), (48, 1492435), (56, 1279230), (60, 1193948), (70, 1023384), (80, 895461), (84, 852820), (105, 682256), (112, 639615), (120, 596974), (140, 511692), (168, 426410), (210, 341128), (240, 298487), (280, 255846), (336, 213205), (420, 170564), (560, 127923), (840, 85282), (1680, 42641)]