71806140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{56989}}^1$

素因数の和:57011

約数の個数: 72

約数和(自身を含む): 248932320

約数和(自身を除く): 177126180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 56989, 113978, 170967, 227956, 284945, 341934, 398923, 512901, 569890, 683868, 797846, 854835, 1025802, 1139780, 1196769, 1595692, 1709670, 1994615, 2051604, 2393538, 2564505, 3419340, 3590307, 3989230, 4787076, 5129010, 5983845, 7180614, 7978460, 10258020, 11967690, 14361228, 17951535, 23935380, 35903070, 71806140]

約数ペア:

[(1, 71806140), (2, 35903070), (3, 23935380), (4, 17951535), (5, 14361228), (6, 11967690), (7, 10258020), (9, 7978460), (10, 7180614), (12, 5983845), (14, 5129010), (15, 4787076), (18, 3989230), (20, 3590307), (21, 3419340), (28, 2564505), (30, 2393538), (35, 2051604), (36, 1994615), (42, 1709670), (45, 1595692), (60, 1196769), (63, 1139780), (70, 1025802), (84, 854835), (90, 797846), (105, 683868), (126, 569890), (140, 512901), (180, 398923), (210, 341934), (252, 284945), (315, 227956), (420, 170967), (630, 113978), (1260, 56989)]