645574860

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{56929}}^1$

素因数の和:56957

約数の個数: 120

約数和(自身を含む): 2314546080

約数和(自身を除く): 1668971220

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, 5670, 11340, 56929, 113858, 170787, 227716, 284645, 341574, 398503, 512361, 569290, 683148, 797006, 853935, 1024722, 1138580, 1195509, 1537083, 1594012, 1707870, 1992515, 2049444, 2391018, 2561805, 3074166, 3415740, 3586527, 3985030, 4611249, 4782036, 5123610, 5977545, 6148332, 7173054, 7685415, 7970060, 9222498, 10247220, 10759581, 11955090, 14346108, 15370830, 17932635, 18444996, 21519162, 23056245, 23910180, 30741660, 32278743, 35865270, 43038324, 46112490, 53797905, 64557486, 71730540, 92224980, 107595810, 129114972, 161393715, 215191620, 322787430, 645574860]

約数ペア:

[(1, 645574860), (2, 322787430), (3, 215191620), (4, 161393715), (5, 129114972), (6, 107595810), (7, 92224980), (9, 71730540), (10, 64557486), (12, 53797905), (14, 46112490), (15, 43038324), (18, 35865270), (20, 32278743), (21, 30741660), (27, 23910180), (28, 23056245), (30, 21519162), (35, 18444996), (36, 17932635), (42, 15370830), (45, 14346108), (54, 11955090), (60, 10759581), (63, 10247220), (70, 9222498), (81, 7970060), (84, 7685415), (90, 7173054), (105, 6148332), (108, 5977545), (126, 5123610), (135, 4782036), (140, 4611249), (162, 3985030), (180, 3586527), (189, 3415740), (210, 3074166), (252, 2561805), (270, 2391018), (315, 2049444), (324, 1992515), (378, 1707870), (405, 1594012), (420, 1537083), (540, 1195509), (567, 1138580), (630, 1024722), (756, 853935), (810, 797006), (945, 683148), (1134, 569290), (1260, 512361), (1620, 398503), (1890, 341574), (2268, 284645), (2835, 227716), (3780, 170787), (5670, 113858), (11340, 56929)]