2420080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{179}}^1$

素因数の和:218

約数の個数: 60

約数和(自身を含む): 6126840

約数和(自身を除く): 3706760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 179, 208, 260, 338, 358, 520, 676, 716, 845, 895, 1040, 1352, 1432, 1690, 1790, 2327, 2704, 2864, 3380, 3580, 4654, 6760, 7160, 9308, 11635, 13520, 14320, 18616, 23270, 30251, 37232, 46540, 60502, 93080, 121004, 151255, 186160, 242008, 302510, 484016, 605020, 1210040, 2420080]

約数ペア:

[(1, 2420080), (2, 1210040), (4, 605020), (5, 484016), (8, 302510), (10, 242008), (13, 186160), (16, 151255), (20, 121004), (26, 93080), (40, 60502), (52, 46540), (65, 37232), (80, 30251), (104, 23270), (130, 18616), (169, 14320), (179, 13520), (208, 11635), (260, 9308), (338, 7160), (358, 6760), (520, 4654), (676, 3580), (716, 3380), (845, 2864), (895, 2704), (1040, 2327), (1352, 1790), (1432, 1690)]