31107660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1039}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 87360000

約数和(自身を除く): 56252340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 499, 998, 1039, 1497, 1996, 2078, 2495, 2994, 3117, 4156, 4990, 5195, 5988, 6234, 7485, 9980, 10390, 12468, 14970, 15585, 20780, 29940, 31170, 62340, 518461, 1036922, 1555383, 2073844, 2592305, 3110766, 5184610, 6221532, 7776915, 10369220, 15553830, 31107660]

約数ペア:

[(1, 31107660), (2, 15553830), (3, 10369220), (4, 7776915), (5, 6221532), (6, 5184610), (10, 3110766), (12, 2592305), (15, 2073844), (20, 1555383), (30, 1036922), (60, 518461), (499, 62340), (998, 31170), (1039, 29940), (1497, 20780), (1996, 15585), (2078, 14970), (2495, 12468), (2994, 10390), (3117, 9980), (4156, 7485), (4990, 6234), (5195, 5988)]