1721377980

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{50599}}^1$

素因数の和:50630

約数の個数: 144

約数和(自身を含む): 6188582400

約数和(自身を除く): 4467204420

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, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2268, 2430, 2835, 3402, 3780, 4860, 5670, 6804, 8505, 11340, 17010, 34020, 50599, 101198, 151797, 202396, 252995, 303594, 354193, 455391, 505990, 607188, 708386, 758985, 910782, 1011980, 1062579, 1366173, 1416772, 1517970, 1770965, 1821564, 2125158, 2276955, 2732346, 3035940, 3187737, 3541930, 4098519, 4250316, 4553910, 5312895, 5464692, 6375474, 6830865, 7083860, 8197038, 9107820, 9563211, 10625790, 12295557, 12750948, 13661730, 15938685, 16394076, 19126422, 20492595, 21251580, 24591114, 27323460, 28689633, 31877370, 38252844, 40985190, 47816055, 49182228, 57379266, 61477785, 63754740, 81970380, 86068899, 95632110, 114758532, 122955570, 143448165, 172137798, 191264220, 245911140, 286896330, 344275596, 430344495, 573792660, 860688990, 1721377980]

約数ペア:

[(1, 1721377980), (2, 860688990), (3, 573792660), (4, 430344495), (5, 344275596), (6, 286896330), (7, 245911140), (9, 191264220), (10, 172137798), (12, 143448165), (14, 122955570), (15, 114758532), (18, 95632110), (20, 86068899), (21, 81970380), (27, 63754740), (28, 61477785), (30, 57379266), (35, 49182228), (36, 47816055), (42, 40985190), (45, 38252844), (54, 31877370), (60, 28689633), (63, 27323460), (70, 24591114), (81, 21251580), (84, 20492595), (90, 19126422), (105, 16394076), (108, 15938685), (126, 13661730), (135, 12750948), (140, 12295557), (162, 10625790), (180, 9563211), (189, 9107820), (210, 8197038), (243, 7083860), (252, 6830865), (270, 6375474), (315, 5464692), (324, 5312895), (378, 4553910), (405, 4250316), (420, 4098519), (486, 3541930), (540, 3187737), (567, 3035940), (630, 2732346), (756, 2276955), (810, 2125158), (945, 1821564), (972, 1770965), (1134, 1517970), (1215, 1416772), (1260, 1366173), (1620, 1062579), (1701, 1011980), (1890, 910782), (2268, 758985), (2430, 708386), (2835, 607188), (3402, 505990), (3780, 455391), (4860, 354193), (5670, 303594), (6804, 252995), (8505, 202396), (11340, 151797), (17010, 101198), (34020, 50599)]