25718280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1801}}^1$

素因数の和:1839

約数の個数: 128

約数和(自身を含む): 93415680

約数和(自身を除く): 67697400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 1801, 2040, 2380, 2856, 3570, 3602, 4760, 5403, 7140, 7204, 9005, 10806, 12607, 14280, 14408, 18010, 21612, 25214, 27015, 30617, 36020, 37821, 43224, 50428, 54030, 61234, 63035, 72040, 75642, 91851, 100856, 108060, 122468, 126070, 151284, 153085, 183702, 189105, 214319, 216120, 244936, 252140, 302568, 306170, 367404, 378210, 428638, 459255, 504280, 612340, 642957, 734808, 756420, 857276, 918510, 1071595, 1224680, 1285914, 1512840, 1714552, 1837020, 2143190, 2571828, 3214785, 3674040, 4286380, 5143656, 6429570, 8572760, 12859140, 25718280]

約数ペア:

[(1, 25718280), (2, 12859140), (3, 8572760), (4, 6429570), (5, 5143656), (6, 4286380), (7, 3674040), (8, 3214785), (10, 2571828), (12, 2143190), (14, 1837020), (15, 1714552), (17, 1512840), (20, 1285914), (21, 1224680), (24, 1071595), (28, 918510), (30, 857276), (34, 756420), (35, 734808), (40, 642957), (42, 612340), (51, 504280), (56, 459255), (60, 428638), (68, 378210), (70, 367404), (84, 306170), (85, 302568), (102, 252140), (105, 244936), (119, 216120), (120, 214319), (136, 189105), (140, 183702), (168, 153085), (170, 151284), (204, 126070), (210, 122468), (238, 108060), (255, 100856), (280, 91851), (340, 75642), (357, 72040), (408, 63035), (420, 61234), (476, 54030), (510, 50428), (595, 43224), (680, 37821), (714, 36020), (840, 30617), (952, 27015), (1020, 25214), (1190, 21612), (1428, 18010), (1785, 14408), (1801, 14280), (2040, 12607), (2380, 10806), (2856, 9005), (3570, 7204), (3602, 7140), (4760, 5403)]