90785080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1283}}^1$

素因数の和:1384

約数の個数: 64

約数和(自身を含む): 214941600

約数和(自身を除く): 124156520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 232, 244, 290, 305, 488, 580, 610, 1160, 1220, 1283, 1769, 2440, 2566, 3538, 5132, 6415, 7076, 8845, 10264, 12830, 14152, 17690, 25660, 35380, 37207, 51320, 70760, 74414, 78263, 148828, 156526, 186035, 297656, 313052, 372070, 391315, 626104, 744140, 782630, 1488280, 1565260, 2269627, 3130520, 4539254, 9078508, 11348135, 18157016, 22696270, 45392540, 90785080]

約数ペア:

[(1, 90785080), (2, 45392540), (4, 22696270), (5, 18157016), (8, 11348135), (10, 9078508), (20, 4539254), (29, 3130520), (40, 2269627), (58, 1565260), (61, 1488280), (116, 782630), (122, 744140), (145, 626104), (232, 391315), (244, 372070), (290, 313052), (305, 297656), (488, 186035), (580, 156526), (610, 148828), (1160, 78263), (1220, 74414), (1283, 70760), (1769, 51320), (2440, 37207), (2566, 35380), (3538, 25660), (5132, 17690), (6415, 14152), (7076, 12830), (8845, 10264)]