51178920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:699

約数の個数: 128

約数和(自身を含む): 168739200

約数和(自身を除く): 117560280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 104, 106, 120, 130, 156, 159, 195, 212, 260, 265, 312, 318, 390, 424, 520, 530, 619, 636, 689, 780, 795, 1060, 1238, 1272, 1378, 1560, 1590, 1857, 2067, 2120, 2476, 2756, 3095, 3180, 3445, 3714, 4134, 4952, 5512, 6190, 6360, 6890, 7428, 8047, 8268, 9285, 10335, 12380, 13780, 14856, 16094, 16536, 18570, 20670, 24141, 24760, 27560, 32188, 32807, 37140, 40235, 41340, 48282, 64376, 65614, 74280, 80470, 82680, 96564, 98421, 120705, 131228, 160940, 164035, 193128, 196842, 241410, 262456, 321880, 328070, 393684, 426491, 482820, 492105, 656140, 787368, 852982, 965640, 984210, 1279473, 1312280, 1705964, 1968420, 2132455, 2558946, 3411928, 3936840, 4264910, 5117892, 6397365, 8529820, 10235784, 12794730, 17059640, 25589460, 51178920]

約数ペア:

[(1, 51178920), (2, 25589460), (3, 17059640), (4, 12794730), (5, 10235784), (6, 8529820), (8, 6397365), (10, 5117892), (12, 4264910), (13, 3936840), (15, 3411928), (20, 2558946), (24, 2132455), (26, 1968420), (30, 1705964), (39, 1312280), (40, 1279473), (52, 984210), (53, 965640), (60, 852982), (65, 787368), (78, 656140), (104, 492105), (106, 482820), (120, 426491), (130, 393684), (156, 328070), (159, 321880), (195, 262456), (212, 241410), (260, 196842), (265, 193128), (312, 164035), (318, 160940), (390, 131228), (424, 120705), (520, 98421), (530, 96564), (619, 82680), (636, 80470), (689, 74280), (780, 65614), (795, 64376), (1060, 48282), (1238, 41340), (1272, 40235), (1378, 37140), (1560, 32807), (1590, 32188), (1857, 27560), (2067, 24760), (2120, 24141), (2476, 20670), (2756, 18570), (3095, 16536), (3180, 16094), (3445, 14856), (3714, 13780), (4134, 12380), (4952, 10335), (5512, 9285), (6190, 8268), (6360, 8047), (6890, 7428)]