240671760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{143257}}^1$

素因数の和:143280

約数の個数: 80

約数和(自身を含む): 852671616

約数和(自身を除く): 611999856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 143257, 286514, 429771, 573028, 716285, 859542, 1002799, 1146056, 1432570, 1719084, 2005598, 2148855, 2292112, 2865140, 3008397, 3438168, 4011196, 4297710, 5013995, 5730280, 6016794, 6876336, 8022392, 8595420, 10027990, 11460560, 12033588, 15041985, 16044784, 17190840, 20055980, 24067176, 30083970, 34381680, 40111960, 48134352, 60167940, 80223920, 120335880, 240671760]

約数ペア:

[(1, 240671760), (2, 120335880), (3, 80223920), (4, 60167940), (5, 48134352), (6, 40111960), (7, 34381680), (8, 30083970), (10, 24067176), (12, 20055980), (14, 17190840), (15, 16044784), (16, 15041985), (20, 12033588), (21, 11460560), (24, 10027990), (28, 8595420), (30, 8022392), (35, 6876336), (40, 6016794), (42, 5730280), (48, 5013995), (56, 4297710), (60, 4011196), (70, 3438168), (80, 3008397), (84, 2865140), (105, 2292112), (112, 2148855), (120, 2005598), (140, 1719084), (168, 1432570), (210, 1146056), (240, 1002799), (280, 859542), (336, 716285), (420, 573028), (560, 429771), (840, 286514), (1680, 143257)]