31707760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1381}}^1$

素因数の和:1442

約数の個数: 80

約数和(自身を含む): 86369472

約数和(自身を除く): 54661712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1381, 1435, 1640, 2296, 2762, 2870, 3280, 4592, 5524, 5740, 6905, 9667, 11048, 11480, 13810, 19334, 22096, 22960, 27620, 38668, 48335, 55240, 56621, 77336, 96670, 110480, 113242, 154672, 193340, 226484, 283105, 386680, 396347, 452968, 566210, 773360, 792694, 905936, 1132420, 1585388, 1981735, 2264840, 3170776, 3963470, 4529680, 6341552, 7926940, 15853880, 31707760]

約数ペア:

[(1, 31707760), (2, 15853880), (4, 7926940), (5, 6341552), (7, 4529680), (8, 3963470), (10, 3170776), (14, 2264840), (16, 1981735), (20, 1585388), (28, 1132420), (35, 905936), (40, 792694), (41, 773360), (56, 566210), (70, 452968), (80, 396347), (82, 386680), (112, 283105), (140, 226484), (164, 193340), (205, 154672), (280, 113242), (287, 110480), (328, 96670), (410, 77336), (560, 56621), (574, 55240), (656, 48335), (820, 38668), (1148, 27620), (1381, 22960), (1435, 22096), (1640, 19334), (2296, 13810), (2762, 11480), (2870, 11048), (3280, 9667), (4592, 6905), (5524, 5740)]