661380840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{44809}}^1$

素因数の和:44867

約数の個数: 96

約数和(自身を含む): 2201963400

約数和(自身を除く): 1540582560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1476, 1640, 1845, 2460, 2952, 3690, 4920, 7380, 14760, 44809, 89618, 134427, 179236, 224045, 268854, 358472, 403281, 448090, 537708, 672135, 806562, 896180, 1075416, 1344270, 1613124, 1792360, 1837169, 2016405, 2688540, 3226248, 3674338, 4032810, 5377080, 5511507, 7348676, 8065620, 9185845, 11023014, 14697352, 16131240, 16534521, 18371690, 22046028, 27557535, 33069042, 36743380, 44092056, 55115070, 66138084, 73486760, 82672605, 110230140, 132276168, 165345210, 220460280, 330690420, 661380840]

約数ペア:

[(1, 661380840), (2, 330690420), (3, 220460280), (4, 165345210), (5, 132276168), (6, 110230140), (8, 82672605), (9, 73486760), (10, 66138084), (12, 55115070), (15, 44092056), (18, 36743380), (20, 33069042), (24, 27557535), (30, 22046028), (36, 18371690), (40, 16534521), (41, 16131240), (45, 14697352), (60, 11023014), (72, 9185845), (82, 8065620), (90, 7348676), (120, 5511507), (123, 5377080), (164, 4032810), (180, 3674338), (205, 3226248), (246, 2688540), (328, 2016405), (360, 1837169), (369, 1792360), (410, 1613124), (492, 1344270), (615, 1075416), (738, 896180), (820, 806562), (984, 672135), (1230, 537708), (1476, 448090), (1640, 403281), (1845, 358472), (2460, 268854), (2952, 224045), (3690, 179236), (4920, 134427), (7380, 89618), (14760, 44809)]