51311520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2741}}^1$

素因数の和:2775

約数の個数: 144

約数和(自身を含む): 188638632

約数和(自身を除く): 137327112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 2741, 3120, 3744, 4680, 5482, 6240, 8223, 9360, 10964, 13705, 16446, 18720, 21928, 24669, 27410, 32892, 35633, 41115, 43856, 49338, 54820, 65784, 71266, 82230, 87712, 98676, 106899, 109640, 123345, 131568, 142532, 164460, 178165, 197352, 213798, 219280, 246690, 263136, 285064, 320697, 328920, 356330, 394704, 427596, 438560, 493380, 534495, 570128, 641394, 657840, 712660, 789408, 855192, 986760, 1068990, 1140256, 1282788, 1315680, 1425320, 1603485, 1710384, 1973520, 2137980, 2565576, 2850640, 3206970, 3420768, 3947040, 4275960, 5131152, 5701280, 6413940, 8551920, 10262304, 12827880, 17103840, 25655760, 51311520]

約数ペア:

[(1, 51311520), (2, 25655760), (3, 17103840), (4, 12827880), (5, 10262304), (6, 8551920), (8, 6413940), (9, 5701280), (10, 5131152), (12, 4275960), (13, 3947040), (15, 3420768), (16, 3206970), (18, 2850640), (20, 2565576), (24, 2137980), (26, 1973520), (30, 1710384), (32, 1603485), (36, 1425320), (39, 1315680), (40, 1282788), (45, 1140256), (48, 1068990), (52, 986760), (60, 855192), (65, 789408), (72, 712660), (78, 657840), (80, 641394), (90, 570128), (96, 534495), (104, 493380), (117, 438560), (120, 427596), (130, 394704), (144, 356330), (156, 328920), (160, 320697), (180, 285064), (195, 263136), (208, 246690), (234, 219280), (240, 213798), (260, 197352), (288, 178165), (312, 164460), (360, 142532), (390, 131568), (416, 123345), (468, 109640), (480, 106899), (520, 98676), (585, 87712), (624, 82230), (720, 71266), (780, 65784), (936, 54820), (1040, 49338), (1170, 43856), (1248, 41115), (1440, 35633), (1560, 32892), (1872, 27410), (2080, 24669), (2340, 21928), (2741, 18720), (3120, 16446), (3744, 13705), (4680, 10964), (5482, 9360), (6240, 8223)]