81982560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15527}}^1$

素因数の和:15556

約数の個数: 96

約数和(自身を含む): 281740032

約数和(自身を除く): 199757472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 5280, 15527, 31054, 46581, 62108, 77635, 93162, 124216, 155270, 170797, 186324, 232905, 248432, 310540, 341594, 372648, 465810, 496864, 512391, 621080, 683188, 745296, 853985, 931620, 1024782, 1242160, 1366376, 1490592, 1707970, 1863240, 2049564, 2484320, 2561955, 2732752, 3415940, 3726480, 4099128, 5123910, 5465504, 6831880, 7452960, 8198256, 10247820, 13663760, 16396512, 20495640, 27327520, 40991280, 81982560]

約数ペア:

[(1, 81982560), (2, 40991280), (3, 27327520), (4, 20495640), (5, 16396512), (6, 13663760), (8, 10247820), (10, 8198256), (11, 7452960), (12, 6831880), (15, 5465504), (16, 5123910), (20, 4099128), (22, 3726480), (24, 3415940), (30, 2732752), (32, 2561955), (33, 2484320), (40, 2049564), (44, 1863240), (48, 1707970), (55, 1490592), (60, 1366376), (66, 1242160), (80, 1024782), (88, 931620), (96, 853985), (110, 745296), (120, 683188), (132, 621080), (160, 512391), (165, 496864), (176, 465810), (220, 372648), (240, 341594), (264, 310540), (330, 248432), (352, 232905), (440, 186324), (480, 170797), (528, 155270), (660, 124216), (880, 93162), (1056, 77635), (1320, 62108), (1760, 46581), (2640, 31054), (5280, 15527)]