81407856

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3881}}^1$

素因数の和:3934

約数の個数: 80

約数和(自身を含む): 231056640

約数和(自身を除く): 149648784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 38, 46, 48, 57, 69, 76, 92, 114, 138, 152, 184, 228, 276, 304, 368, 437, 456, 552, 874, 912, 1104, 1311, 1748, 2622, 3496, 3881, 5244, 6992, 7762, 10488, 11643, 15524, 20976, 23286, 31048, 46572, 62096, 73739, 89263, 93144, 147478, 178526, 186288, 221217, 267789, 294956, 357052, 442434, 535578, 589912, 714104, 884868, 1071156, 1179824, 1428208, 1695997, 1769736, 2142312, 3391994, 3539472, 4284624, 5087991, 6783988, 10175982, 13567976, 20351964, 27135952, 40703928, 81407856]

約数ペア:

[(1, 81407856), (2, 40703928), (3, 27135952), (4, 20351964), (6, 13567976), (8, 10175982), (12, 6783988), (16, 5087991), (19, 4284624), (23, 3539472), (24, 3391994), (38, 2142312), (46, 1769736), (48, 1695997), (57, 1428208), (69, 1179824), (76, 1071156), (92, 884868), (114, 714104), (138, 589912), (152, 535578), (184, 442434), (228, 357052), (276, 294956), (304, 267789), (368, 221217), (437, 186288), (456, 178526), (552, 147478), (874, 93144), (912, 89263), (1104, 73739), (1311, 62096), (1748, 46572), (2622, 31048), (3496, 23286), (3881, 20976), (5244, 15524), (6992, 11643), (7762, 10488)]