400518120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{31193}}^1$

素因数の和:31314

約数の個数: 64

約数和(自身を含む): 1212822720

約数和(自身を除く): 812304600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 2140, 2568, 3210, 4280, 6420, 12840, 31193, 62386, 93579, 124772, 155965, 187158, 249544, 311930, 374316, 467895, 623860, 748632, 935790, 1247720, 1871580, 3337651, 3743160, 6675302, 10012953, 13350604, 16688255, 20025906, 26701208, 33376510, 40051812, 50064765, 66753020, 80103624, 100129530, 133506040, 200259060, 400518120]

約数ペア:

[(1, 400518120), (2, 200259060), (3, 133506040), (4, 100129530), (5, 80103624), (6, 66753020), (8, 50064765), (10, 40051812), (12, 33376510), (15, 26701208), (20, 20025906), (24, 16688255), (30, 13350604), (40, 10012953), (60, 6675302), (107, 3743160), (120, 3337651), (214, 1871580), (321, 1247720), (428, 935790), (535, 748632), (642, 623860), (856, 467895), (1070, 374316), (1284, 311930), (1605, 249544), (2140, 187158), (2568, 155965), (3210, 124772), (4280, 93579), (6420, 62386), (12840, 31193)]