7721520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{32173}}^1$

素因数の和:32189

約数の個数: 40

約数和(自身を含む): 23937456

約数和(自身を除く): 16215936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 32173, 64346, 96519, 128692, 160865, 193038, 257384, 321730, 386076, 482595, 514768, 643460, 772152, 965190, 1286920, 1544304, 1930380, 2573840, 3860760, 7721520]

約数ペア:

[(1, 7721520), (2, 3860760), (3, 2573840), (4, 1930380), (5, 1544304), (6, 1286920), (8, 965190), (10, 772152), (12, 643460), (15, 514768), (16, 482595), (20, 386076), (24, 321730), (30, 257384), (40, 193038), (48, 160865), (60, 128692), (80, 96519), (120, 64346), (240, 32173)]