31530120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13829}}^1$

素因数の和:13862

約数の個数: 64

約数和(自身を含む): 99576000

約数和(自身を除く): 68045880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 13829, 27658, 41487, 55316, 69145, 82974, 110632, 138290, 165948, 207435, 262751, 276580, 331896, 414870, 525502, 553160, 788253, 829740, 1051004, 1313755, 1576506, 1659480, 2102008, 2627510, 3153012, 3941265, 5255020, 6306024, 7882530, 10510040, 15765060, 31530120]

約数ペア:

[(1, 31530120), (2, 15765060), (3, 10510040), (4, 7882530), (5, 6306024), (6, 5255020), (8, 3941265), (10, 3153012), (12, 2627510), (15, 2102008), (19, 1659480), (20, 1576506), (24, 1313755), (30, 1051004), (38, 829740), (40, 788253), (57, 553160), (60, 525502), (76, 414870), (95, 331896), (114, 276580), (120, 262751), (152, 207435), (190, 165948), (228, 138290), (285, 110632), (380, 82974), (456, 69145), (570, 55316), (760, 41487), (1140, 27658), (2280, 13829)]