17996520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149971}}^1$

素因数の和:149985

約数の個数: 32

約数和(自身を含む): 53989920

約数和(自身を除く): 35993400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149971, 299942, 449913, 599884, 749855, 899826, 1199768, 1499710, 1799652, 2249565, 2999420, 3599304, 4499130, 5998840, 8998260, 17996520]

約数ペア:

[(1, 17996520), (2, 8998260), (3, 5998840), (4, 4499130), (5, 3599304), (6, 2999420), (8, 2249565), (10, 1799652), (12, 1499710), (15, 1199768), (20, 899826), (24, 749855), (30, 599884), (40, 449913), (60, 299942), (120, 149971)]