87317780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:705

約数の個数: 96

約数和(自身を含む): 217873152

約数和(自身を除く): 130555372

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 37, 44, 55, 68, 74, 85, 110, 148, 170, 185, 187, 220, 340, 370, 374, 407, 629, 631, 740, 748, 814, 935, 1258, 1262, 1628, 1870, 2035, 2516, 2524, 3145, 3155, 3740, 4070, 6290, 6310, 6919, 6941, 8140, 10727, 12580, 12620, 13838, 13882, 21454, 23347, 27676, 27764, 34595, 34705, 42908, 46694, 53635, 69190, 69410, 93388, 107270, 116735, 117997, 138380, 138820, 214540, 233470, 235994, 256817, 396899, 466940, 471988, 513634, 589985, 793798, 1027268, 1179970, 1284085, 1587596, 1984495, 2359940, 2568170, 3968990, 4365889, 5136340, 7937980, 8731778, 17463556, 21829445, 43658890, 87317780]

約数ペア:

[(1, 87317780), (2, 43658890), (4, 21829445), (5, 17463556), (10, 8731778), (11, 7937980), (17, 5136340), (20, 4365889), (22, 3968990), (34, 2568170), (37, 2359940), (44, 1984495), (55, 1587596), (68, 1284085), (74, 1179970), (85, 1027268), (110, 793798), (148, 589985), (170, 513634), (185, 471988), (187, 466940), (220, 396899), (340, 256817), (370, 235994), (374, 233470), (407, 214540), (629, 138820), (631, 138380), (740, 117997), (748, 116735), (814, 107270), (935, 93388), (1258, 69410), (1262, 69190), (1628, 53635), (1870, 46694), (2035, 42908), (2516, 34705), (2524, 34595), (3145, 27764), (3155, 27676), (3740, 23347), (4070, 21454), (6290, 13882), (6310, 13838), (6919, 12620), (6941, 12580), (8140, 10727)]