489638520

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{21589}}^1$

素因数の和:21619

約数の個数: 160

約数和(自身を含む): 1880920800

約数和(自身を除く): 1391282280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5670, 7560, 11340, 21589, 22680, 43178, 64767, 86356, 107945, 129534, 151123, 172712, 194301, 215890, 259068, 302246, 323835, 388602, 431780, 453369, 518136, 582903, 604492, 647670, 755615, 777204, 863560, 906738, 971505, 1165806, 1208984, 1295340, 1360107, 1511230, 1554408, 1748709, 1813476, 1943010, 2266845, 2331612, 2590680, 2720214, 2914515, 3022460, 3497418, 3626952, 3886020, 4080321, 4533690, 4663224, 5440428, 5829030, 6044920, 6800535, 6994836, 7772040, 8160642, 8743545, 9067380, 10880856, 11658060, 12240963, 13601070, 13989672, 16321284, 17487090, 18134760, 20401605, 23316120, 24481926, 27202140, 32642568, 34974180, 40803210, 48963852, 54404280, 61204815, 69948360, 81606420, 97927704, 122409630, 163212840, 244819260, 489638520]

約数ペア:

[(1, 489638520), (2, 244819260), (3, 163212840), (4, 122409630), (5, 97927704), (6, 81606420), (7, 69948360), (8, 61204815), (9, 54404280), (10, 48963852), (12, 40803210), (14, 34974180), (15, 32642568), (18, 27202140), (20, 24481926), (21, 23316120), (24, 20401605), (27, 18134760), (28, 17487090), (30, 16321284), (35, 13989672), (36, 13601070), (40, 12240963), (42, 11658060), (45, 10880856), (54, 9067380), (56, 8743545), (60, 8160642), (63, 7772040), (70, 6994836), (72, 6800535), (81, 6044920), (84, 5829030), (90, 5440428), (105, 4663224), (108, 4533690), (120, 4080321), (126, 3886020), (135, 3626952), (140, 3497418), (162, 3022460), (168, 2914515), (180, 2720214), (189, 2590680), (210, 2331612), (216, 2266845), (252, 1943010), (270, 1813476), (280, 1748709), (315, 1554408), (324, 1511230), (360, 1360107), (378, 1295340), (405, 1208984), (420, 1165806), (504, 971505), (540, 906738), (567, 863560), (630, 777204), (648, 755615), (756, 647670), (810, 604492), (840, 582903), (945, 518136), (1080, 453369), (1134, 431780), (1260, 388602), (1512, 323835), (1620, 302246), (1890, 259068), (2268, 215890), (2520, 194301), (2835, 172712), (3240, 151123), (3780, 129534), (4536, 107945), (5670, 86356), (7560, 64767), (11340, 43178), (21589, 22680)]