55781460

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{4919}}^1$

素因数の和:4947

約数の個数: 120

約数和(自身を含む): 200027520

約数和(自身を除く): 144246060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 4919, 5670, 9838, 11340, 14757, 19676, 24595, 29514, 34433, 44271, 49190, 59028, 68866, 73785, 88542, 98380, 103299, 132813, 137732, 147570, 172165, 177084, 206598, 221355, 265626, 295140, 309897, 344330, 398439, 413196, 442710, 516495, 531252, 619794, 664065, 688660, 796878, 885420, 929691, 1032990, 1239588, 1328130, 1549485, 1593756, 1859382, 1992195, 2065980, 2656260, 2789073, 3098970, 3718764, 3984390, 4648455, 5578146, 6197940, 7968780, 9296910, 11156292, 13945365, 18593820, 27890730, 55781460]

約数ペア:

[(1, 55781460), (2, 27890730), (3, 18593820), (4, 13945365), (5, 11156292), (6, 9296910), (7, 7968780), (9, 6197940), (10, 5578146), (12, 4648455), (14, 3984390), (15, 3718764), (18, 3098970), (20, 2789073), (21, 2656260), (27, 2065980), (28, 1992195), (30, 1859382), (35, 1593756), (36, 1549485), (42, 1328130), (45, 1239588), (54, 1032990), (60, 929691), (63, 885420), (70, 796878), (81, 688660), (84, 664065), (90, 619794), (105, 531252), (108, 516495), (126, 442710), (135, 413196), (140, 398439), (162, 344330), (180, 309897), (189, 295140), (210, 265626), (252, 221355), (270, 206598), (315, 177084), (324, 172165), (378, 147570), (405, 137732), (420, 132813), (540, 103299), (567, 98380), (630, 88542), (756, 73785), (810, 68866), (945, 59028), (1134, 49190), (1260, 44271), (1620, 34433), (1890, 29514), (2268, 24595), (2835, 19676), (3780, 14757), (4919, 11340), (5670, 9838)]