72463820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1949}}^1$

素因数の和:1995

約数の個数: 72

約数和(自身を含む): 179852400

約数和(自身を除く): 107388580

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1859, 1949, 2860, 3380, 3718, 3898, 7436, 7796, 9295, 9745, 18590, 19490, 21439, 25337, 37180, 38980, 42878, 50674, 85756, 101348, 107195, 126685, 214390, 253370, 278707, 329381, 428780, 506740, 557414, 658762, 1114828, 1317524, 1393535, 1646905, 2787070, 3293810, 3623191, 5574140, 6587620, 7246382, 14492764, 18115955, 36231910, 72463820]

約数ペア:

[(1, 72463820), (2, 36231910), (4, 18115955), (5, 14492764), (10, 7246382), (11, 6587620), (13, 5574140), (20, 3623191), (22, 3293810), (26, 2787070), (44, 1646905), (52, 1393535), (55, 1317524), (65, 1114828), (110, 658762), (130, 557414), (143, 506740), (169, 428780), (220, 329381), (260, 278707), (286, 253370), (338, 214390), (572, 126685), (676, 107195), (715, 101348), (845, 85756), (1430, 50674), (1690, 42878), (1859, 38980), (1949, 37180), (2860, 25337), (3380, 21439), (3718, 19490), (3898, 18590), (7436, 9745), (7796, 9295)]