18306080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{677}}^1$

素因数の和:718

約数の個数: 72

約数和(自身を含む): 46899972

約数和(自身を除く): 28593892

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 677, 845, 1040, 1352, 1354, 1690, 2080, 2704, 2708, 3380, 3385, 5408, 5416, 6760, 6770, 8801, 10832, 13520, 13540, 17602, 21664, 27040, 27080, 35204, 44005, 54160, 70408, 88010, 108320, 114413, 140816, 176020, 228826, 281632, 352040, 457652, 572065, 704080, 915304, 1144130, 1408160, 1830608, 2288260, 3661216, 4576520, 9153040, 18306080]

約数ペア:

[(1, 18306080), (2, 9153040), (4, 4576520), (5, 3661216), (8, 2288260), (10, 1830608), (13, 1408160), (16, 1144130), (20, 915304), (26, 704080), (32, 572065), (40, 457652), (52, 352040), (65, 281632), (80, 228826), (104, 176020), (130, 140816), (160, 114413), (169, 108320), (208, 88010), (260, 70408), (338, 54160), (416, 44005), (520, 35204), (676, 27080), (677, 27040), (845, 21664), (1040, 17602), (1352, 13540), (1354, 13520), (1690, 10832), (2080, 8801), (2704, 6770), (2708, 6760), (3380, 5416), (3385, 5408)]