268606720

素因数分解:

$2^8\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1213}}^1$

素因数の和:1407

約数の個数: 72

約数和(自身を含む): 647649576

約数和(自身を除く): 379042856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 256, 320, 346, 640, 692, 865, 1213, 1280, 1384, 1730, 2426, 2768, 3460, 4852, 5536, 6065, 6920, 9704, 11072, 12130, 13840, 19408, 22144, 24260, 27680, 38816, 44288, 48520, 55360, 77632, 97040, 110720, 155264, 194080, 209849, 221440, 310528, 388160, 419698, 776320, 839396, 1049245, 1552640, 1678792, 2098490, 3357584, 4196980, 6715168, 8393960, 13430336, 16787920, 26860672, 33575840, 53721344, 67151680, 134303360, 268606720]

約数ペア:

[(1, 268606720), (2, 134303360), (4, 67151680), (5, 53721344), (8, 33575840), (10, 26860672), (16, 16787920), (20, 13430336), (32, 8393960), (40, 6715168), (64, 4196980), (80, 3357584), (128, 2098490), (160, 1678792), (173, 1552640), (256, 1049245), (320, 839396), (346, 776320), (640, 419698), (692, 388160), (865, 310528), (1213, 221440), (1280, 209849), (1384, 194080), (1730, 155264), (2426, 110720), (2768, 97040), (3460, 77632), (4852, 55360), (5536, 48520), (6065, 44288), (6920, 38816), (9704, 27680), (11072, 24260), (12130, 22144), (13840, 19408)]