61621320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{513511}}^1$

素因数の和:513525

約数の個数: 32

約数和(自身を含む): 184864320

約数和(自身を除く): 123243000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 513511, 1027022, 1540533, 2054044, 2567555, 3081066, 4108088, 5135110, 6162132, 7702665, 10270220, 12324264, 15405330, 20540440, 30810660, 61621320]

約数ペア:

[(1, 61621320), (2, 30810660), (3, 20540440), (4, 15405330), (5, 12324264), (6, 10270220), (8, 7702665), (10, 6162132), (12, 5135110), (15, 4108088), (20, 3081066), (24, 2567555), (30, 2054044), (40, 1540533), (60, 1027022), (120, 513511)]