71216880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42391}}^1$

素因数の和:42414

約数の個数: 80

約数和(自身を含む): 252317184

約数和(自身を除く): 181100304

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, 42391, 84782, 127173, 169564, 211955, 254346, 296737, 339128, 423910, 508692, 593474, 635865, 678256, 847820, 890211, 1017384, 1186948, 1271730, 1483685, 1695640, 1780422, 2034768, 2373896, 2543460, 2967370, 3391280, 3560844, 4451055, 4747792, 5086920, 5934740, 7121688, 8902110, 10173840, 11869480, 14243376, 17804220, 23738960, 35608440, 71216880]

約数ペア:

[(1, 71216880), (2, 35608440), (3, 23738960), (4, 17804220), (5, 14243376), (6, 11869480), (7, 10173840), (8, 8902110), (10, 7121688), (12, 5934740), (14, 5086920), (15, 4747792), (16, 4451055), (20, 3560844), (21, 3391280), (24, 2967370), (28, 2543460), (30, 2373896), (35, 2034768), (40, 1780422), (42, 1695640), (48, 1483685), (56, 1271730), (60, 1186948), (70, 1017384), (80, 890211), (84, 847820), (105, 678256), (112, 635865), (120, 593474), (140, 508692), (168, 423910), (210, 339128), (240, 296737), (280, 254346), (336, 211955), (420, 169564), (560, 127173), (840, 84782), (1680, 42391)]