28508730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:635

約数の個数: 64

約数和(自身を含む): 72437760

約数和(自身を除く): 43929030

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 79, 115, 138, 158, 230, 237, 345, 395, 474, 523, 690, 790, 1046, 1185, 1569, 1817, 2370, 2615, 3138, 3634, 5230, 5451, 7845, 9085, 10902, 12029, 15690, 18170, 24058, 27255, 36087, 41317, 54510, 60145, 72174, 82634, 120290, 123951, 180435, 206585, 247902, 360870, 413170, 619755, 950291, 1239510, 1900582, 2850873, 4751455, 5701746, 9502910, 14254365, 28508730]

約数ペア:

[(1, 28508730), (2, 14254365), (3, 9502910), (5, 5701746), (6, 4751455), (10, 2850873), (15, 1900582), (23, 1239510), (30, 950291), (46, 619755), (69, 413170), (79, 360870), (115, 247902), (138, 206585), (158, 180435), (230, 123951), (237, 120290), (345, 82634), (395, 72174), (474, 60145), (523, 54510), (690, 41317), (790, 36087), (1046, 27255), (1185, 24058), (1569, 18170), (1817, 15690), (2370, 12029), (2615, 10902), (3138, 9085), (3634, 7845), (5230, 5451)]