402720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{839}}^1$

素因数の和:857

約数の個数: 48

約数和(自身を含む): 1270080

約数和(自身を除く): 867360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 839, 1678, 2517, 3356, 4195, 5034, 6712, 8390, 10068, 12585, 13424, 16780, 20136, 25170, 26848, 33560, 40272, 50340, 67120, 80544, 100680, 134240, 201360, 402720]

約数ペア:

[(1, 402720), (2, 201360), (3, 134240), (4, 100680), (5, 80544), (6, 67120), (8, 50340), (10, 40272), (12, 33560), (15, 26848), (16, 25170), (20, 20136), (24, 16780), (30, 13424), (32, 12585), (40, 10068), (48, 8390), (60, 6712), (80, 5034), (96, 4195), (120, 3356), (160, 2517), (240, 1678), (480, 839)]