1780451640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449609}}^1$

素因数の和:449637

約数の個数: 96

約数和(自身を含む): 6312524400

約数和(自身を除く): 4532072760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 449609, 899218, 1348827, 1798436, 2248045, 2697654, 3596872, 4046481, 4496090, 4945699, 5395308, 6744135, 8092962, 8992180, 9891398, 10790616, 13488270, 14837097, 16185924, 17984360, 19782796, 20232405, 24728495, 26976540, 29674194, 32371848, 39565592, 40464810, 44511291, 49456990, 53953080, 59348388, 74185485, 80929620, 89022582, 98913980, 118696776, 148370970, 161859240, 178045164, 197827960, 222556455, 296741940, 356090328, 445112910, 593483880, 890225820, 1780451640]

約数ペア:

[(1, 1780451640), (2, 890225820), (3, 593483880), (4, 445112910), (5, 356090328), (6, 296741940), (8, 222556455), (9, 197827960), (10, 178045164), (11, 161859240), (12, 148370970), (15, 118696776), (18, 98913980), (20, 89022582), (22, 80929620), (24, 74185485), (30, 59348388), (33, 53953080), (36, 49456990), (40, 44511291), (44, 40464810), (45, 39565592), (55, 32371848), (60, 29674194), (66, 26976540), (72, 24728495), (88, 20232405), (90, 19782796), (99, 17984360), (110, 16185924), (120, 14837097), (132, 13488270), (165, 10790616), (180, 9891398), (198, 8992180), (220, 8092962), (264, 6744135), (330, 5395308), (360, 4945699), (396, 4496090), (440, 4046481), (495, 3596872), (660, 2697654), (792, 2248045), (990, 1798436), (1320, 1348827), (1980, 899218), (3960, 449609)]