42546280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 115706880

約数和(自身を除く): 73160600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 53, 56, 61, 70, 94, 106, 122, 140, 188, 212, 235, 244, 265, 280, 305, 329, 371, 376, 424, 427, 470, 488, 530, 610, 658, 742, 854, 940, 1060, 1220, 1316, 1484, 1645, 1708, 1855, 1880, 2120, 2135, 2440, 2491, 2632, 2867, 2968, 3233, 3290, 3416, 3710, 4270, 4982, 5734, 6466, 6580, 7420, 8540, 9964, 11468, 12455, 12932, 13160, 14335, 14840, 16165, 17080, 17437, 19928, 20069, 22631, 22936, 24910, 25864, 28670, 32330, 34874, 40138, 45262, 49820, 57340, 64660, 69748, 80276, 87185, 90524, 99640, 100345, 113155, 114680, 129320, 139496, 151951, 160552, 174370, 181048, 200690, 226310, 303902, 348740, 401380, 452620, 607804, 697480, 759755, 802760, 905240, 1063657, 1215608, 1519510, 2127314, 3039020, 4254628, 5318285, 6078040, 8509256, 10636570, 21273140, 42546280]

約数ペア:

[(1, 42546280), (2, 21273140), (4, 10636570), (5, 8509256), (7, 6078040), (8, 5318285), (10, 4254628), (14, 3039020), (20, 2127314), (28, 1519510), (35, 1215608), (40, 1063657), (47, 905240), (53, 802760), (56, 759755), (61, 697480), (70, 607804), (94, 452620), (106, 401380), (122, 348740), (140, 303902), (188, 226310), (212, 200690), (235, 181048), (244, 174370), (265, 160552), (280, 151951), (305, 139496), (329, 129320), (371, 114680), (376, 113155), (424, 100345), (427, 99640), (470, 90524), (488, 87185), (530, 80276), (610, 69748), (658, 64660), (742, 57340), (854, 49820), (940, 45262), (1060, 40138), (1220, 34874), (1316, 32330), (1484, 28670), (1645, 25864), (1708, 24910), (1855, 22936), (1880, 22631), (2120, 20069), (2135, 19928), (2440, 17437), (2491, 17080), (2632, 16165), (2867, 14840), (2968, 14335), (3233, 13160), (3290, 12932), (3416, 12455), (3710, 11468), (4270, 9964), (4982, 8540), (5734, 7420), (6466, 6580)]