1230228740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{3221}}^1$

素因数の和:3369

約数の個数: 72

約数和(自身を含む): 2823129288

約数和(自身を除く): 1592900548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 169, 226, 260, 338, 452, 565, 676, 845, 1130, 1469, 1690, 2260, 2938, 3221, 3380, 5876, 6442, 7345, 12884, 14690, 16105, 19097, 29380, 32210, 38194, 41873, 64420, 76388, 83746, 95485, 167492, 190970, 209365, 363973, 381940, 418730, 544349, 727946, 837460, 1088698, 1455892, 1819865, 2177396, 2721745, 3639730, 4731649, 5443490, 7279460, 9463298, 10886980, 18926596, 23658245, 47316490, 61511437, 94632980, 123022874, 246045748, 307557185, 615114370, 1230228740]

約数ペア:

[(1, 1230228740), (2, 615114370), (4, 307557185), (5, 246045748), (10, 123022874), (13, 94632980), (20, 61511437), (26, 47316490), (52, 23658245), (65, 18926596), (113, 10886980), (130, 9463298), (169, 7279460), (226, 5443490), (260, 4731649), (338, 3639730), (452, 2721745), (565, 2177396), (676, 1819865), (845, 1455892), (1130, 1088698), (1469, 837460), (1690, 727946), (2260, 544349), (2938, 418730), (3221, 381940), (3380, 363973), (5876, 209365), (6442, 190970), (7345, 167492), (12884, 95485), (14690, 83746), (16105, 76388), (19097, 64420), (29380, 41873), (32210, 38194)]