77455980

素因数分解:

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

素因数の和:717

約数の個数: 192

約数和(自身を含む): 284712960

約数和(自身を除く): 207256980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 372, 378, 420, 434, 465, 540, 558, 620, 630, 651, 661, 756, 837, 868, 930, 945, 1085, 1116, 1260, 1302, 1322, 1395, 1674, 1860, 1890, 1953, 1983, 2170, 2604, 2644, 2790, 3255, 3305, 3348, 3780, 3906, 3966, 4185, 4340, 4627, 5580, 5859, 5949, 6510, 6610, 7812, 7932, 8370, 9254, 9765, 9915, 11718, 11898, 13020, 13220, 13881, 16740, 17847, 18508, 19530, 19830, 20491, 23135, 23436, 23796, 27762, 29295, 29745, 35694, 39060, 39660, 40982, 41643, 46270, 55524, 58590, 59490, 61473, 69405, 71388, 81964, 83286, 89235, 92540, 102455, 117180, 118980, 122946, 124929, 138810, 143437, 166572, 178470, 184419, 204910, 208215, 245892, 249858, 277620, 286874, 307365, 356940, 368838, 409820, 416430, 430311, 499716, 553257, 573748, 614730, 624645, 717185, 737676, 832860, 860622, 922095, 1106514, 1229460, 1249290, 1290933, 1434370, 1721244, 1844190, 2151555, 2213028, 2498580, 2581866, 2766285, 2868740, 3688380, 3872799, 4303110, 5163732, 5532570, 6454665, 7745598, 8606220, 11065140, 12909330, 15491196, 19363995, 25818660, 38727990, 77455980]

約数ペア:

[(1, 77455980), (2, 38727990), (3, 25818660), (4, 19363995), (5, 15491196), (6, 12909330), (7, 11065140), (9, 8606220), (10, 7745598), (12, 6454665), (14, 5532570), (15, 5163732), (18, 4303110), (20, 3872799), (21, 3688380), (27, 2868740), (28, 2766285), (30, 2581866), (31, 2498580), (35, 2213028), (36, 2151555), (42, 1844190), (45, 1721244), (54, 1434370), (60, 1290933), (62, 1249290), (63, 1229460), (70, 1106514), (84, 922095), (90, 860622), (93, 832860), (105, 737676), (108, 717185), (124, 624645), (126, 614730), (135, 573748), (140, 553257), (155, 499716), (180, 430311), (186, 416430), (189, 409820), (210, 368838), (217, 356940), (252, 307365), (270, 286874), (279, 277620), (310, 249858), (315, 245892), (372, 208215), (378, 204910), (420, 184419), (434, 178470), (465, 166572), (540, 143437), (558, 138810), (620, 124929), (630, 122946), (651, 118980), (661, 117180), (756, 102455), (837, 92540), (868, 89235), (930, 83286), (945, 81964), (1085, 71388), (1116, 69405), (1260, 61473), (1302, 59490), (1322, 58590), (1395, 55524), (1674, 46270), (1860, 41643), (1890, 40982), (1953, 39660), (1983, 39060), (2170, 35694), (2604, 29745), (2644, 29295), (2790, 27762), (3255, 23796), (3305, 23436), (3348, 23135), (3780, 20491), (3906, 19830), (3966, 19530), (4185, 18508), (4340, 17847), (4627, 16740), (5580, 13881), (5859, 13220), (5949, 13020), (6510, 11898), (6610, 11718), (7812, 9915), (7932, 9765), (8370, 9254)]