640583520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{1334549}}^1$

素因数の和:1334567

約数の個数: 48

約数和(自身を含む): 2017839600

約数和(自身を除く): 1377256080

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, 1334549, 2669098, 4003647, 5338196, 6672745, 8007294, 10676392, 13345490, 16014588, 20018235, 21352784, 26690980, 32029176, 40036470, 42705568, 53381960, 64058352, 80072940, 106763920, 128116704, 160145880, 213527840, 320291760, 640583520]

約数ペア:

[(1, 640583520), (2, 320291760), (3, 213527840), (4, 160145880), (5, 128116704), (6, 106763920), (8, 80072940), (10, 64058352), (12, 53381960), (15, 42705568), (16, 40036470), (20, 32029176), (24, 26690980), (30, 21352784), (32, 20018235), (40, 16014588), (48, 13345490), (60, 10676392), (80, 8007294), (96, 6672745), (120, 5338196), (160, 4003647), (240, 2669098), (480, 1334549)]