61660620

素因数分解:

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

素因数の和:7020

約数の個数: 108

約数和(自身を含む): 217605024

約数和(自身を除く): 155944404

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 6991, 8820, 13982, 20973, 27964, 34955, 41946, 48937, 62919, 69910, 83892, 97874, 104865, 125838, 139820, 146811, 195748, 209730, 244685, 251676, 293622, 314595, 342559, 419460, 440433, 489370, 587244, 629190, 685118, 734055, 880866, 978740, 1027677, 1258380, 1370236, 1468110, 1712795, 1761732, 2055354, 2202165, 2936220, 3083031, 3425590, 4110708, 4404330, 5138385, 6166062, 6851180, 8808660, 10276770, 12332124, 15415155, 20553540, 30830310, 61660620]

約数ペア:

[(1, 61660620), (2, 30830310), (3, 20553540), (4, 15415155), (5, 12332124), (6, 10276770), (7, 8808660), (9, 6851180), (10, 6166062), (12, 5138385), (14, 4404330), (15, 4110708), (18, 3425590), (20, 3083031), (21, 2936220), (28, 2202165), (30, 2055354), (35, 1761732), (36, 1712795), (42, 1468110), (45, 1370236), (49, 1258380), (60, 1027677), (63, 978740), (70, 880866), (84, 734055), (90, 685118), (98, 629190), (105, 587244), (126, 489370), (140, 440433), (147, 419460), (180, 342559), (196, 314595), (210, 293622), (245, 251676), (252, 244685), (294, 209730), (315, 195748), (420, 146811), (441, 139820), (490, 125838), (588, 104865), (630, 97874), (735, 83892), (882, 69910), (980, 62919), (1260, 48937), (1470, 41946), (1764, 34955), (2205, 27964), (2940, 20973), (4410, 13982), (6991, 8820)]