239638680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:354

約数の個数: 192

約数和(自身を含む): 815443200

約数和(自身を除く): 575804520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 109, 120, 124, 155, 180, 186, 197, 218, 248, 279, 310, 327, 360, 372, 394, 436, 465, 545, 558, 591, 620, 654, 744, 788, 872, 930, 981, 985, 1090, 1116, 1182, 1240, 1308, 1395, 1576, 1635, 1773, 1860, 1962, 1970, 2180, 2232, 2364, 2616, 2790, 2955, 3270, 3379, 3546, 3720, 3924, 3940, 4360, 4728, 4905, 5580, 5910, 6107, 6540, 6758, 7092, 7848, 7880, 8865, 9810, 10137, 11160, 11820, 12214, 13080, 13516, 14184, 16895, 17730, 18321, 19620, 20274, 21473, 23640, 24428, 27032, 30411, 30535, 33790, 35460, 36642, 39240, 40548, 42946, 48856, 50685, 54963, 60822, 61070, 64419, 67580, 70920, 73284, 81096, 85892, 91605, 101370, 107365, 109926, 121644, 122140, 128838, 135160, 146568, 152055, 171784, 183210, 193257, 202740, 214730, 219852, 243288, 244280, 257676, 274815, 304110, 322095, 366420, 386514, 405480, 429460, 439704, 515352, 549630, 608220, 644190, 665663, 732840, 773028, 858920, 966285, 1099260, 1216440, 1288380, 1331326, 1546056, 1932570, 1996989, 2198520, 2576760, 2662652, 3328315, 3865140, 3993978, 5325304, 5990967, 6656630, 7730280, 7987956, 9984945, 11981934, 13313260, 15975912, 19969890, 23963868, 26626520, 29954835, 39939780, 47927736, 59909670, 79879560, 119819340, 239638680]

約数ペア:

[(1, 239638680), (2, 119819340), (3, 79879560), (4, 59909670), (5, 47927736), (6, 39939780), (8, 29954835), (9, 26626520), (10, 23963868), (12, 19969890), (15, 15975912), (18, 13313260), (20, 11981934), (24, 9984945), (30, 7987956), (31, 7730280), (36, 6656630), (40, 5990967), (45, 5325304), (60, 3993978), (62, 3865140), (72, 3328315), (90, 2662652), (93, 2576760), (109, 2198520), (120, 1996989), (124, 1932570), (155, 1546056), (180, 1331326), (186, 1288380), (197, 1216440), (218, 1099260), (248, 966285), (279, 858920), (310, 773028), (327, 732840), (360, 665663), (372, 644190), (394, 608220), (436, 549630), (465, 515352), (545, 439704), (558, 429460), (591, 405480), (620, 386514), (654, 366420), (744, 322095), (788, 304110), (872, 274815), (930, 257676), (981, 244280), (985, 243288), (1090, 219852), (1116, 214730), (1182, 202740), (1240, 193257), (1308, 183210), (1395, 171784), (1576, 152055), (1635, 146568), (1773, 135160), (1860, 128838), (1962, 122140), (1970, 121644), (2180, 109926), (2232, 107365), (2364, 101370), (2616, 91605), (2790, 85892), (2955, 81096), (3270, 73284), (3379, 70920), (3546, 67580), (3720, 64419), (3924, 61070), (3940, 60822), (4360, 54963), (4728, 50685), (4905, 48856), (5580, 42946), (5910, 40548), (6107, 39240), (6540, 36642), (6758, 35460), (7092, 33790), (7848, 30535), (7880, 30411), (8865, 27032), (9810, 24428), (10137, 23640), (11160, 21473), (11820, 20274), (12214, 19620), (13080, 18321), (13516, 17730), (14184, 16895)]