71669220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{170641}}^1$

素因数の和:170660

約数の個数: 48

約数和(自身を含む): 229342848

約数和(自身を除く): 157673628

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, 170641, 341282, 511923, 682564, 853205, 1023846, 1194487, 1706410, 2047692, 2388974, 2559615, 3412820, 3583461, 4777948, 5119230, 5972435, 7166922, 10238460, 11944870, 14333844, 17917305, 23889740, 35834610, 71669220]

約数ペア:

[(1, 71669220), (2, 35834610), (3, 23889740), (4, 17917305), (5, 14333844), (6, 11944870), (7, 10238460), (10, 7166922), (12, 5972435), (14, 5119230), (15, 4777948), (20, 3583461), (21, 3412820), (28, 2559615), (30, 2388974), (35, 2047692), (42, 1706410), (60, 1194487), (70, 1023846), (84, 853205), (105, 682564), (140, 511923), (210, 341282), (420, 170641)]