31480992

素因数分解:

$2^5\times 3^2\times {\mathrm{281}}^1\times {\mathrm{389}}^1$

素因数の和:686

約数の個数: 72

約数和(自身を含む): 90073620

約数和(自身を除く): 58592628

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 281, 288, 389, 562, 778, 843, 1124, 1167, 1556, 1686, 2248, 2334, 2529, 3112, 3372, 3501, 4496, 4668, 5058, 6224, 6744, 7002, 8992, 9336, 10116, 12448, 13488, 14004, 18672, 20232, 26976, 28008, 37344, 40464, 56016, 80928, 109309, 112032, 218618, 327927, 437236, 655854, 874472, 983781, 1311708, 1748944, 1967562, 2623416, 3497888, 3935124, 5246832, 7870248, 10493664, 15740496, 31480992]

約数ペア:

[(1, 31480992), (2, 15740496), (3, 10493664), (4, 7870248), (6, 5246832), (8, 3935124), (9, 3497888), (12, 2623416), (16, 1967562), (18, 1748944), (24, 1311708), (32, 983781), (36, 874472), (48, 655854), (72, 437236), (96, 327927), (144, 218618), (281, 112032), (288, 109309), (389, 80928), (562, 56016), (778, 40464), (843, 37344), (1124, 28008), (1167, 26976), (1556, 20232), (1686, 18672), (2248, 14004), (2334, 13488), (2529, 12448), (3112, 10116), (3372, 9336), (3501, 8992), (4496, 7002), (4668, 6744), (5058, 6224)]