51637320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:716

約数の個数: 192

約数和(自身を含む): 198282240

約数和(自身を除く): 146644920

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, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 661, 744, 840, 868, 930, 1085, 1116, 1240, 1260, 1302, 1322, 1395, 1736, 1860, 1953, 1983, 2170, 2232, 2520, 2604, 2644, 2790, 3255, 3305, 3720, 3906, 3966, 4340, 4627, 5208, 5288, 5580, 5949, 6510, 6610, 7812, 7932, 8680, 9254, 9765, 9915, 11160, 11898, 13020, 13220, 13881, 15624, 15864, 18508, 19530, 19830, 20491, 23135, 23796, 26040, 26440, 27762, 29745, 37016, 39060, 39660, 40982, 41643, 46270, 47592, 55524, 59490, 61473, 69405, 78120, 79320, 81964, 83286, 92540, 102455, 111048, 118980, 122946, 138810, 143437, 163928, 166572, 184419, 185080, 204910, 208215, 237960, 245892, 277620, 286874, 307365, 333144, 368838, 409820, 416430, 430311, 491784, 555240, 573748, 614730, 717185, 737676, 819640, 832860, 860622, 922095, 1147496, 1229460, 1290933, 1434370, 1475352, 1665720, 1721244, 1844190, 2151555, 2458920, 2581866, 2868740, 3442488, 3688380, 4303110, 5163732, 5737480, 6454665, 7376760, 8606220, 10327464, 12909330, 17212440, 25818660, 51637320]

約数ペア:

[(1, 51637320), (2, 25818660), (3, 17212440), (4, 12909330), (5, 10327464), (6, 8606220), (7, 7376760), (8, 6454665), (9, 5737480), (10, 5163732), (12, 4303110), (14, 3688380), (15, 3442488), (18, 2868740), (20, 2581866), (21, 2458920), (24, 2151555), (28, 1844190), (30, 1721244), (31, 1665720), (35, 1475352), (36, 1434370), (40, 1290933), (42, 1229460), (45, 1147496), (56, 922095), (60, 860622), (62, 832860), (63, 819640), (70, 737676), (72, 717185), (84, 614730), (90, 573748), (93, 555240), (105, 491784), (120, 430311), (124, 416430), (126, 409820), (140, 368838), (155, 333144), (168, 307365), (180, 286874), (186, 277620), (210, 245892), (217, 237960), (248, 208215), (252, 204910), (279, 185080), (280, 184419), (310, 166572), (315, 163928), (360, 143437), (372, 138810), (420, 122946), (434, 118980), (465, 111048), (504, 102455), (558, 92540), (620, 83286), (630, 81964), (651, 79320), (661, 78120), (744, 69405), (840, 61473), (868, 59490), (930, 55524), (1085, 47592), (1116, 46270), (1240, 41643), (1260, 40982), (1302, 39660), (1322, 39060), (1395, 37016), (1736, 29745), (1860, 27762), (1953, 26440), (1983, 26040), (2170, 23796), (2232, 23135), (2520, 20491), (2604, 19830), (2644, 19530), (2790, 18508), (3255, 15864), (3305, 15624), (3720, 13881), (3906, 13220), (3966, 13020), (4340, 11898), (4627, 11160), (5208, 9915), (5288, 9765), (5580, 9254), (5949, 8680), (6510, 7932), (6610, 7812)]