28143960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18041}}^1$

素因数の和:18068

約数の個数: 64

約数和(自身を含む): 90931680

約数和(自身を除く): 62787720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 18041, 36082, 54123, 72164, 90205, 108246, 144328, 180410, 216492, 234533, 270615, 360820, 432984, 469066, 541230, 703599, 721640, 938132, 1082460, 1172665, 1407198, 1876264, 2164920, 2345330, 2814396, 3517995, 4690660, 5628792, 7035990, 9381320, 14071980, 28143960]

約数ペア:

[(1, 28143960), (2, 14071980), (3, 9381320), (4, 7035990), (5, 5628792), (6, 4690660), (8, 3517995), (10, 2814396), (12, 2345330), (13, 2164920), (15, 1876264), (20, 1407198), (24, 1172665), (26, 1082460), (30, 938132), (39, 721640), (40, 703599), (52, 541230), (60, 469066), (65, 432984), (78, 360820), (104, 270615), (120, 234533), (130, 216492), (156, 180410), (195, 144328), (260, 108246), (312, 90205), (390, 72164), (520, 54123), (780, 36082), (1560, 18041)]