126091880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1667}}^1$

素因数の和:1770

約数の個数: 64

約数和(自身を含む): 297838080

約数和(自身を除く): 171746200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1667, 1891, 2440, 3334, 3782, 6668, 7564, 8335, 9455, 13336, 15128, 16670, 18910, 33340, 37820, 51677, 66680, 75640, 101687, 103354, 203374, 206708, 258385, 406748, 413416, 508435, 516770, 813496, 1016870, 1033540, 2033740, 2067080, 3152297, 4067480, 6304594, 12609188, 15761485, 25218376, 31522970, 63045940, 126091880]

約数ペア:

[(1, 126091880), (2, 63045940), (4, 31522970), (5, 25218376), (8, 15761485), (10, 12609188), (20, 6304594), (31, 4067480), (40, 3152297), (61, 2067080), (62, 2033740), (122, 1033540), (124, 1016870), (155, 813496), (244, 516770), (248, 508435), (305, 413416), (310, 406748), (488, 258385), (610, 206708), (620, 203374), (1220, 103354), (1240, 101687), (1667, 75640), (1891, 66680), (2440, 51677), (3334, 37820), (3782, 33340), (6668, 18910), (7564, 16670), (8335, 15128), (9455, 13336)]