318401080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1303}}^1$

素因数の和:1504

約数の個数: 64

約数和(自身を含む): 739368000

約数和(自身を除く): 420966920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 149, 164, 205, 298, 328, 410, 596, 745, 820, 1192, 1303, 1490, 1640, 2606, 2980, 5212, 5960, 6109, 6515, 10424, 12218, 13030, 24436, 26060, 30545, 48872, 52120, 53423, 61090, 106846, 122180, 194147, 213692, 244360, 267115, 388294, 427384, 534230, 776588, 970735, 1068460, 1553176, 1941470, 2136920, 3882940, 7765880, 7960027, 15920054, 31840108, 39800135, 63680216, 79600270, 159200540, 318401080]

約数ペア:

[(1, 318401080), (2, 159200540), (4, 79600270), (5, 63680216), (8, 39800135), (10, 31840108), (20, 15920054), (40, 7960027), (41, 7765880), (82, 3882940), (149, 2136920), (164, 1941470), (205, 1553176), (298, 1068460), (328, 970735), (410, 776588), (596, 534230), (745, 427384), (820, 388294), (1192, 267115), (1303, 244360), (1490, 213692), (1640, 194147), (2606, 122180), (2980, 106846), (5212, 61090), (5960, 53423), (6109, 52120), (6515, 48872), (10424, 30545), (12218, 26060), (13030, 24436)]