215510280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4391}}^1$

素因数の和:4814

約数の個数: 64

約数和(自身を含む): 648259200

約数和(自身を除く): 432748920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 409, 818, 1227, 1636, 2045, 2454, 3272, 4090, 4391, 4908, 6135, 8180, 8782, 9816, 12270, 13173, 16360, 17564, 21955, 24540, 26346, 35128, 43910, 49080, 52692, 65865, 87820, 105384, 131730, 175640, 263460, 526920, 1795919, 3591838, 5387757, 7183676, 8979595, 10775514, 14367352, 17959190, 21551028, 26938785, 35918380, 43102056, 53877570, 71836760, 107755140, 215510280]

約数ペア:

[(1, 215510280), (2, 107755140), (3, 71836760), (4, 53877570), (5, 43102056), (6, 35918380), (8, 26938785), (10, 21551028), (12, 17959190), (15, 14367352), (20, 10775514), (24, 8979595), (30, 7183676), (40, 5387757), (60, 3591838), (120, 1795919), (409, 526920), (818, 263460), (1227, 175640), (1636, 131730), (2045, 105384), (2454, 87820), (3272, 65865), (4090, 52692), (4391, 49080), (4908, 43910), (6135, 35128), (8180, 26346), (8782, 24540), (9816, 21955), (12270, 17564), (13173, 16360)]