68617780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2621}}^1$

素因数の和:2665

約数の個数: 96

約数和(自身を含む): 190294272

約数和(自身を除く): 121676492

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 308, 340, 374, 385, 476, 595, 748, 770, 935, 1190, 1309, 1540, 1870, 2380, 2618, 2621, 3740, 5236, 5242, 6545, 10484, 13090, 13105, 18347, 26180, 26210, 28831, 36694, 44557, 52420, 57662, 73388, 89114, 91735, 115324, 144155, 178228, 183470, 201817, 222785, 288310, 311899, 366940, 403634, 445570, 490127, 576620, 623798, 807268, 891140, 980254, 1009085, 1247596, 1559495, 1960508, 2018170, 2450635, 3118990, 3430889, 4036340, 4901270, 6237980, 6861778, 9802540, 13723556, 17154445, 34308890, 68617780]

約数ペア:

[(1, 68617780), (2, 34308890), (4, 17154445), (5, 13723556), (7, 9802540), (10, 6861778), (11, 6237980), (14, 4901270), (17, 4036340), (20, 3430889), (22, 3118990), (28, 2450635), (34, 2018170), (35, 1960508), (44, 1559495), (55, 1247596), (68, 1009085), (70, 980254), (77, 891140), (85, 807268), (110, 623798), (119, 576620), (140, 490127), (154, 445570), (170, 403634), (187, 366940), (220, 311899), (238, 288310), (308, 222785), (340, 201817), (374, 183470), (385, 178228), (476, 144155), (595, 115324), (748, 91735), (770, 89114), (935, 73388), (1190, 57662), (1309, 52420), (1540, 44557), (1870, 36694), (2380, 28831), (2618, 26210), (2621, 26180), (3740, 18347), (5236, 13105), (5242, 13090), (6545, 10484)]