81520824

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1423}}^1$

素因数の和:1481

約数の個数: 128

約数和(自身を含む): 262471680

約数和(自身を除く): 180950856

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 31, 33, 42, 44, 56, 62, 66, 77, 84, 88, 93, 124, 132, 154, 168, 186, 217, 231, 248, 264, 308, 341, 372, 434, 462, 616, 651, 682, 744, 868, 924, 1023, 1302, 1364, 1423, 1736, 1848, 2046, 2387, 2604, 2728, 2846, 4092, 4269, 4774, 5208, 5692, 7161, 8184, 8538, 9548, 9961, 11384, 14322, 15653, 17076, 19096, 19922, 28644, 29883, 31306, 34152, 39844, 44113, 46959, 57288, 59766, 62612, 79688, 88226, 93918, 109571, 119532, 125224, 132339, 176452, 187836, 219142, 239064, 264678, 308791, 328713, 352904, 375672, 438284, 485243, 529356, 617582, 657426, 876568, 926373, 970486, 1058712, 1235164, 1314852, 1455729, 1852746, 1940972, 2470328, 2629704, 2911458, 3396701, 3705492, 3881944, 5822916, 6793402, 7410984, 10190103, 11645832, 13586804, 20380206, 27173608, 40760412, 81520824]

約数ペア:

[(1, 81520824), (2, 40760412), (3, 27173608), (4, 20380206), (6, 13586804), (7, 11645832), (8, 10190103), (11, 7410984), (12, 6793402), (14, 5822916), (21, 3881944), (22, 3705492), (24, 3396701), (28, 2911458), (31, 2629704), (33, 2470328), (42, 1940972), (44, 1852746), (56, 1455729), (62, 1314852), (66, 1235164), (77, 1058712), (84, 970486), (88, 926373), (93, 876568), (124, 657426), (132, 617582), (154, 529356), (168, 485243), (186, 438284), (217, 375672), (231, 352904), (248, 328713), (264, 308791), (308, 264678), (341, 239064), (372, 219142), (434, 187836), (462, 176452), (616, 132339), (651, 125224), (682, 119532), (744, 109571), (868, 93918), (924, 88226), (1023, 79688), (1302, 62612), (1364, 59766), (1423, 57288), (1736, 46959), (1848, 44113), (2046, 39844), (2387, 34152), (2604, 31306), (2728, 29883), (2846, 28644), (4092, 19922), (4269, 19096), (4774, 17076), (5208, 15653), (5692, 14322), (7161, 11384), (8184, 9961), (8538, 9548)]