28330290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{331}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 76014720

約数和(自身を除く): 47684430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 317, 331, 634, 662, 951, 993, 1585, 1655, 1902, 1986, 2853, 2979, 3170, 3310, 4755, 4965, 5706, 5958, 8559, 8937, 9510, 9930, 14265, 14895, 17118, 17874, 28530, 29790, 42795, 44685, 85590, 89370, 104927, 209854, 314781, 524635, 629562, 944343, 1049270, 1573905, 1888686, 2833029, 3147810, 4721715, 5666058, 9443430, 14165145, 28330290]

約数ペア:

[(1, 28330290), (2, 14165145), (3, 9443430), (5, 5666058), (6, 4721715), (9, 3147810), (10, 2833029), (15, 1888686), (18, 1573905), (27, 1049270), (30, 944343), (45, 629562), (54, 524635), (90, 314781), (135, 209854), (270, 104927), (317, 89370), (331, 85590), (634, 44685), (662, 42795), (951, 29790), (993, 28530), (1585, 17874), (1655, 17118), (1902, 14895), (1986, 14265), (2853, 9930), (2979, 9510), (3170, 8937), (3310, 8559), (4755, 5958), (4965, 5706)]