87149440

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{397}}^1$

素因数の和:437

約数の個数: 128

約数和(自身を含む): 243576000

約数和(自身を除く): 156426560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 392, 397, 448, 490, 560, 640, 686, 784, 794, 896, 980, 1120, 1372, 1568, 1588, 1715, 1960, 1985, 2240, 2744, 2779, 3136, 3176, 3430, 3920, 3970, 4480, 5488, 5558, 6272, 6352, 6860, 7840, 7940, 10976, 11116, 12704, 13720, 13895, 15680, 15880, 19453, 21952, 22232, 25408, 27440, 27790, 31360, 31760, 38906, 43904, 44464, 50816, 54880, 55580, 63520, 77812, 88928, 97265, 109760, 111160, 127040, 136171, 155624, 177856, 194530, 219520, 222320, 254080, 272342, 311248, 355712, 389060, 444640, 544684, 622496, 680855, 778120, 889280, 1089368, 1244992, 1361710, 1556240, 1778560, 2178736, 2489984, 2723420, 3112480, 4357472, 5446840, 6224960, 8714944, 10893680, 12449920, 17429888, 21787360, 43574720, 87149440]

約数ペア:

[(1, 87149440), (2, 43574720), (4, 21787360), (5, 17429888), (7, 12449920), (8, 10893680), (10, 8714944), (14, 6224960), (16, 5446840), (20, 4357472), (28, 3112480), (32, 2723420), (35, 2489984), (40, 2178736), (49, 1778560), (56, 1556240), (64, 1361710), (70, 1244992), (80, 1089368), (98, 889280), (112, 778120), (128, 680855), (140, 622496), (160, 544684), (196, 444640), (224, 389060), (245, 355712), (280, 311248), (320, 272342), (343, 254080), (392, 222320), (397, 219520), (448, 194530), (490, 177856), (560, 155624), (640, 136171), (686, 127040), (784, 111160), (794, 109760), (896, 97265), (980, 88928), (1120, 77812), (1372, 63520), (1568, 55580), (1588, 54880), (1715, 50816), (1960, 44464), (1985, 43904), (2240, 38906), (2744, 31760), (2779, 31360), (3136, 27790), (3176, 27440), (3430, 25408), (3920, 22232), (3970, 21952), (4480, 19453), (5488, 15880), (5558, 15680), (6272, 13895), (6352, 13720), (6860, 12704), (7840, 11116), (7940, 10976)]