15808860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1237}}^1$

素因数の和:1323

約数の個数: 72

約数和(自身を含む): 48668256

約数和(自身を除く): 32859396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1237, 1278, 1420, 2130, 2474, 2556, 3195, 3711, 4260, 4948, 6185, 6390, 7422, 11133, 12370, 12780, 14844, 18555, 22266, 24740, 37110, 44532, 55665, 74220, 87827, 111330, 175654, 222660, 263481, 351308, 439135, 526962, 790443, 878270, 1053924, 1317405, 1580886, 1756540, 2634810, 3161772, 3952215, 5269620, 7904430, 15808860]

約数ペア:

[(1, 15808860), (2, 7904430), (3, 5269620), (4, 3952215), (5, 3161772), (6, 2634810), (9, 1756540), (10, 1580886), (12, 1317405), (15, 1053924), (18, 878270), (20, 790443), (30, 526962), (36, 439135), (45, 351308), (60, 263481), (71, 222660), (90, 175654), (142, 111330), (180, 87827), (213, 74220), (284, 55665), (355, 44532), (426, 37110), (639, 24740), (710, 22266), (852, 18555), (1065, 14844), (1237, 12780), (1278, 12370), (1420, 11133), (2130, 7422), (2474, 6390), (2556, 6185), (3195, 4948), (3711, 4260)]