68828340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 230053824

約数和(自身を除く): 161225484

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 205, 210, 245, 246, 287, 294, 410, 420, 490, 492, 571, 574, 588, 615, 735, 820, 861, 980, 1142, 1148, 1230, 1435, 1470, 1713, 1722, 2009, 2284, 2460, 2855, 2870, 2940, 3426, 3444, 3997, 4018, 4305, 5710, 5740, 6027, 6852, 7994, 8036, 8565, 8610, 10045, 11420, 11991, 12054, 15988, 17130, 17220, 19985, 20090, 23411, 23982, 24108, 27979, 30135, 34260, 39970, 40180, 46822, 47964, 55958, 59955, 60270, 70233, 79940, 83937, 93644, 111916, 117055, 119910, 120540, 139895, 140466, 163877, 167874, 234110, 239820, 279790, 280932, 327754, 335748, 351165, 419685, 468220, 491631, 559580, 655508, 702330, 819385, 839370, 983262, 1147139, 1404660, 1638770, 1678740, 1966524, 2294278, 2458155, 3277540, 3441417, 4588556, 4916310, 5735695, 6882834, 9832620, 11471390, 13765668, 17207085, 22942780, 34414170, 68828340]

約数ペア:

[(1, 68828340), (2, 34414170), (3, 22942780), (4, 17207085), (5, 13765668), (6, 11471390), (7, 9832620), (10, 6882834), (12, 5735695), (14, 4916310), (15, 4588556), (20, 3441417), (21, 3277540), (28, 2458155), (30, 2294278), (35, 1966524), (41, 1678740), (42, 1638770), (49, 1404660), (60, 1147139), (70, 983262), (82, 839370), (84, 819385), (98, 702330), (105, 655508), (123, 559580), (140, 491631), (147, 468220), (164, 419685), (196, 351165), (205, 335748), (210, 327754), (245, 280932), (246, 279790), (287, 239820), (294, 234110), (410, 167874), (420, 163877), (490, 140466), (492, 139895), (571, 120540), (574, 119910), (588, 117055), (615, 111916), (735, 93644), (820, 83937), (861, 79940), (980, 70233), (1142, 60270), (1148, 59955), (1230, 55958), (1435, 47964), (1470, 46822), (1713, 40180), (1722, 39970), (2009, 34260), (2284, 30135), (2460, 27979), (2855, 24108), (2870, 23982), (2940, 23411), (3426, 20090), (3444, 19985), (3997, 17220), (4018, 17130), (4305, 15988), (5710, 12054), (5740, 11991), (6027, 11420), (6852, 10045), (7994, 8610), (8036, 8565)]