81691488

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{14929}}^1$

素因数の和:14964

約数の個数: 72

約数和(自身を含む): 244553400

約数和(自身を除く): 162861912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 5472, 14929, 29858, 44787, 59716, 89574, 119432, 134361, 179148, 238864, 268722, 283651, 358296, 477728, 537444, 567302, 716592, 850953, 1074888, 1134604, 1433184, 1701906, 2149776, 2269208, 2552859, 3403812, 4299552, 4538416, 5105718, 6807624, 9076832, 10211436, 13615248, 20422872, 27230496, 40845744, 81691488]

約数ペア:

[(1, 81691488), (2, 40845744), (3, 27230496), (4, 20422872), (6, 13615248), (8, 10211436), (9, 9076832), (12, 6807624), (16, 5105718), (18, 4538416), (19, 4299552), (24, 3403812), (32, 2552859), (36, 2269208), (38, 2149776), (48, 1701906), (57, 1433184), (72, 1134604), (76, 1074888), (96, 850953), (114, 716592), (144, 567302), (152, 537444), (171, 477728), (228, 358296), (288, 283651), (304, 268722), (342, 238864), (456, 179148), (608, 134361), (684, 119432), (912, 89574), (1368, 59716), (1824, 44787), (2736, 29858), (5472, 14929)]