123321240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{6991}}^1$

素因数の和:7022

約数の個数: 144

約数和(自身を含む): 466296480

約数和(自身を除く): 342975240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 6991, 8820, 13982, 17640, 20973, 27964, 34955, 41946, 48937, 55928, 62919, 69910, 83892, 97874, 104865, 125838, 139820, 146811, 167784, 195748, 209730, 244685, 251676, 279640, 293622, 314595, 342559, 391496, 419460, 440433, 489370, 503352, 587244, 629190, 685118, 734055, 838920, 880866, 978740, 1027677, 1174488, 1258380, 1370236, 1468110, 1712795, 1761732, 1957480, 2055354, 2202165, 2516760, 2740472, 2936220, 3083031, 3425590, 3523464, 4110708, 4404330, 5138385, 5872440, 6166062, 6851180, 8221416, 8808660, 10276770, 12332124, 13702360, 15415155, 17617320, 20553540, 24664248, 30830310, 41107080, 61660620, 123321240]

約数ペア:

[(1, 123321240), (2, 61660620), (3, 41107080), (4, 30830310), (5, 24664248), (6, 20553540), (7, 17617320), (8, 15415155), (9, 13702360), (10, 12332124), (12, 10276770), (14, 8808660), (15, 8221416), (18, 6851180), (20, 6166062), (21, 5872440), (24, 5138385), (28, 4404330), (30, 4110708), (35, 3523464), (36, 3425590), (40, 3083031), (42, 2936220), (45, 2740472), (49, 2516760), (56, 2202165), (60, 2055354), (63, 1957480), (70, 1761732), (72, 1712795), (84, 1468110), (90, 1370236), (98, 1258380), (105, 1174488), (120, 1027677), (126, 978740), (140, 880866), (147, 838920), (168, 734055), (180, 685118), (196, 629190), (210, 587244), (245, 503352), (252, 489370), (280, 440433), (294, 419460), (315, 391496), (360, 342559), (392, 314595), (420, 293622), (441, 279640), (490, 251676), (504, 244685), (588, 209730), (630, 195748), (735, 167784), (840, 146811), (882, 139820), (980, 125838), (1176, 104865), (1260, 97874), (1470, 83892), (1764, 69910), (1960, 62919), (2205, 55928), (2520, 48937), (2940, 41946), (3528, 34955), (4410, 27964), (5880, 20973), (6991, 17640), (8820, 13982)]