31871160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:637

約数の個数: 96

約数和(自身を含む): 104307840

約数和(自身を除く): 72436680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 223, 360, 397, 446, 669, 794, 892, 1115, 1191, 1338, 1588, 1784, 1985, 2007, 2230, 2382, 2676, 3176, 3345, 3573, 3970, 4014, 4460, 4764, 5352, 5955, 6690, 7146, 7940, 8028, 8920, 9528, 10035, 11910, 13380, 14292, 15880, 16056, 17865, 20070, 23820, 26760, 28584, 35730, 40140, 47640, 71460, 80280, 88531, 142920, 177062, 265593, 354124, 442655, 531186, 708248, 796779, 885310, 1062372, 1327965, 1593558, 1770620, 2124744, 2655930, 3187116, 3541240, 3983895, 5311860, 6374232, 7967790, 10623720, 15935580, 31871160]

約数ペア:

[(1, 31871160), (2, 15935580), (3, 10623720), (4, 7967790), (5, 6374232), (6, 5311860), (8, 3983895), (9, 3541240), (10, 3187116), (12, 2655930), (15, 2124744), (18, 1770620), (20, 1593558), (24, 1327965), (30, 1062372), (36, 885310), (40, 796779), (45, 708248), (60, 531186), (72, 442655), (90, 354124), (120, 265593), (180, 177062), (223, 142920), (360, 88531), (397, 80280), (446, 71460), (669, 47640), (794, 40140), (892, 35730), (1115, 28584), (1191, 26760), (1338, 23820), (1588, 20070), (1784, 17865), (1985, 16056), (2007, 15880), (2230, 14292), (2382, 13380), (2676, 11910), (3176, 10035), (3345, 9528), (3573, 8920), (3970, 8028), (4014, 7940), (4460, 7146), (4764, 6690), (5352, 5955)]