80928828

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{39439}}^1$

素因数の和:39471

約数の個数: 48

約数和(自身を含む): 220864000

約数和(自身を除く): 139935172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 39439, 78878, 118317, 157756, 236634, 354951, 473268, 709902, 749341, 1064853, 1419804, 1498682, 2129706, 2248023, 2997364, 4259412, 4496046, 6744069, 8992092, 13488138, 20232207, 26976276, 40464414, 80928828]

約数ペア:

[(1, 80928828), (2, 40464414), (3, 26976276), (4, 20232207), (6, 13488138), (9, 8992092), (12, 6744069), (18, 4496046), (19, 4259412), (27, 2997364), (36, 2248023), (38, 2129706), (54, 1498682), (57, 1419804), (76, 1064853), (108, 749341), (114, 709902), (171, 473268), (228, 354951), (342, 236634), (513, 157756), (684, 118317), (1026, 78878), (2052, 39439)]