25818660

素因数分解:

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

素因数の和:714

約数の個数: 144

約数和(自身を含む): 92531712

約数和(自身を除く): 66713052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 661, 868, 930, 1085, 1116, 1260, 1302, 1322, 1395, 1860, 1953, 1983, 2170, 2604, 2644, 2790, 3255, 3305, 3906, 3966, 4340, 4627, 5580, 5949, 6510, 6610, 7812, 7932, 9254, 9765, 9915, 11898, 13020, 13220, 13881, 18508, 19530, 19830, 20491, 23135, 23796, 27762, 29745, 39060, 39660, 40982, 41643, 46270, 55524, 59490, 61473, 69405, 81964, 83286, 92540, 102455, 118980, 122946, 138810, 143437, 166572, 184419, 204910, 208215, 245892, 277620, 286874, 307365, 368838, 409820, 416430, 430311, 573748, 614730, 717185, 737676, 832860, 860622, 922095, 1229460, 1290933, 1434370, 1721244, 1844190, 2151555, 2581866, 2868740, 3688380, 4303110, 5163732, 6454665, 8606220, 12909330, 25818660]

約数ペア:

[(1, 25818660), (2, 12909330), (3, 8606220), (4, 6454665), (5, 5163732), (6, 4303110), (7, 3688380), (9, 2868740), (10, 2581866), (12, 2151555), (14, 1844190), (15, 1721244), (18, 1434370), (20, 1290933), (21, 1229460), (28, 922095), (30, 860622), (31, 832860), (35, 737676), (36, 717185), (42, 614730), (45, 573748), (60, 430311), (62, 416430), (63, 409820), (70, 368838), (84, 307365), (90, 286874), (93, 277620), (105, 245892), (124, 208215), (126, 204910), (140, 184419), (155, 166572), (180, 143437), (186, 138810), (210, 122946), (217, 118980), (252, 102455), (279, 92540), (310, 83286), (315, 81964), (372, 69405), (420, 61473), (434, 59490), (465, 55524), (558, 46270), (620, 41643), (630, 40982), (651, 39660), (661, 39060), (868, 29745), (930, 27762), (1085, 23796), (1116, 23135), (1260, 20491), (1302, 19830), (1322, 19530), (1395, 18508), (1860, 13881), (1953, 13220), (1983, 13020), (2170, 11898), (2604, 9915), (2644, 9765), (2790, 9254), (3255, 7932), (3305, 7812), (3906, 6610), (3966, 6510), (4340, 5949), (4627, 5580)]