664755080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:711

約数の個数: 128

約数和(自身を含む): 1740735360

約数和(自身を除く): 1075980280

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 181, 187, 220, 340, 362, 374, 440, 491, 680, 724, 748, 905, 935, 982, 1448, 1496, 1810, 1870, 1964, 1991, 2455, 3077, 3620, 3740, 3928, 3982, 4910, 5401, 6154, 7240, 7480, 7964, 8347, 9820, 9955, 10802, 12308, 15385, 15928, 16694, 19640, 19910, 21604, 24616, 27005, 30770, 33388, 33847, 39820, 41735, 43208, 54010, 61540, 66776, 67694, 79640, 83470, 88871, 91817, 108020, 123080, 135388, 166940, 169235, 177742, 183634, 216040, 270776, 333880, 338470, 355484, 367268, 444355, 459085, 676940, 710968, 734536, 888710, 918170, 977581, 1353880, 1510807, 1777420, 1836340, 1955162, 3021614, 3554840, 3672680, 3910324, 4887905, 6043228, 7554035, 7820648, 9775810, 12086456, 15108070, 16618877, 19551620, 30216140, 33237754, 39103240, 60432280, 66475508, 83094385, 132951016, 166188770, 332377540, 664755080]

約数ペア:

[(1, 664755080), (2, 332377540), (4, 166188770), (5, 132951016), (8, 83094385), (10, 66475508), (11, 60432280), (17, 39103240), (20, 33237754), (22, 30216140), (34, 19551620), (40, 16618877), (44, 15108070), (55, 12086456), (68, 9775810), (85, 7820648), (88, 7554035), (110, 6043228), (136, 4887905), (170, 3910324), (181, 3672680), (187, 3554840), (220, 3021614), (340, 1955162), (362, 1836340), (374, 1777420), (440, 1510807), (491, 1353880), (680, 977581), (724, 918170), (748, 888710), (905, 734536), (935, 710968), (982, 676940), (1448, 459085), (1496, 444355), (1810, 367268), (1870, 355484), (1964, 338470), (1991, 333880), (2455, 270776), (3077, 216040), (3620, 183634), (3740, 177742), (3928, 169235), (3982, 166940), (4910, 135388), (5401, 123080), (6154, 108020), (7240, 91817), (7480, 88871), (7964, 83470), (8347, 79640), (9820, 67694), (9955, 66776), (10802, 61540), (12308, 54010), (15385, 43208), (15928, 41735), (16694, 39820), (19640, 33847), (19910, 33388), (21604, 30770), (24616, 27005)]