15389640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 192

約数和(自身を含む): 59304960

約数和(自身を除く): 43915320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 197, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 394, 420, 434, 465, 504, 558, 591, 620, 630, 651, 744, 788, 840, 868, 930, 985, 1085, 1116, 1182, 1240, 1260, 1302, 1379, 1395, 1576, 1736, 1773, 1860, 1953, 1970, 2170, 2232, 2364, 2520, 2604, 2758, 2790, 2955, 3255, 3546, 3720, 3906, 3940, 4137, 4340, 4728, 5208, 5516, 5580, 5910, 6107, 6510, 6895, 7092, 7812, 7880, 8274, 8680, 8865, 9765, 11032, 11160, 11820, 12214, 12411, 13020, 13790, 14184, 15624, 16548, 17730, 18321, 19530, 20685, 23640, 24428, 24822, 26040, 27580, 30535, 33096, 35460, 36642, 39060, 41370, 42749, 48856, 49644, 54963, 55160, 61070, 62055, 70920, 73284, 78120, 82740, 85498, 91605, 99288, 109926, 122140, 124110, 128247, 146568, 165480, 170996, 183210, 213745, 219852, 244280, 248220, 256494, 274815, 341992, 366420, 384741, 427490, 439704, 496440, 512988, 549630, 641235, 732840, 769482, 854980, 1025976, 1099260, 1282470, 1538964, 1709960, 1923705, 2198520, 2564940, 3077928, 3847410, 5129880, 7694820, 15389640]

約数ペア:

[(1, 15389640), (2, 7694820), (3, 5129880), (4, 3847410), (5, 3077928), (6, 2564940), (7, 2198520), (8, 1923705), (9, 1709960), (10, 1538964), (12, 1282470), (14, 1099260), (15, 1025976), (18, 854980), (20, 769482), (21, 732840), (24, 641235), (28, 549630), (30, 512988), (31, 496440), (35, 439704), (36, 427490), (40, 384741), (42, 366420), (45, 341992), (56, 274815), (60, 256494), (62, 248220), (63, 244280), (70, 219852), (72, 213745), (84, 183210), (90, 170996), (93, 165480), (105, 146568), (120, 128247), (124, 124110), (126, 122140), (140, 109926), (155, 99288), (168, 91605), (180, 85498), (186, 82740), (197, 78120), (210, 73284), (217, 70920), (248, 62055), (252, 61070), (279, 55160), (280, 54963), (310, 49644), (315, 48856), (360, 42749), (372, 41370), (394, 39060), (420, 36642), (434, 35460), (465, 33096), (504, 30535), (558, 27580), (591, 26040), (620, 24822), (630, 24428), (651, 23640), (744, 20685), (788, 19530), (840, 18321), (868, 17730), (930, 16548), (985, 15624), (1085, 14184), (1116, 13790), (1182, 13020), (1240, 12411), (1260, 12214), (1302, 11820), (1379, 11160), (1395, 11032), (1576, 9765), (1736, 8865), (1773, 8680), (1860, 8274), (1953, 7880), (1970, 7812), (2170, 7092), (2232, 6895), (2364, 6510), (2520, 6107), (2604, 5910), (2758, 5580), (2790, 5516), (2955, 5208), (3255, 4728), (3546, 4340), (3720, 4137), (3906, 3940)]