64962720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:447

約数の個数: 144

約数和(自身を含む): 223783560

約数和(自身を除く): 158820840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 197, 229, 240, 288, 360, 394, 458, 480, 591, 687, 720, 788, 916, 985, 1145, 1182, 1374, 1440, 1576, 1773, 1832, 1970, 2061, 2290, 2364, 2748, 2955, 3152, 3435, 3546, 3664, 3940, 4122, 4580, 4728, 5496, 5910, 6304, 6870, 7092, 7328, 7880, 8244, 8865, 9160, 9456, 10305, 10992, 11820, 13740, 14184, 15760, 16488, 17730, 18320, 18912, 20610, 21984, 23640, 27480, 28368, 31520, 32976, 35460, 36640, 41220, 45113, 47280, 54960, 56736, 65952, 70920, 82440, 90226, 94560, 109920, 135339, 141840, 164880, 180452, 225565, 270678, 283680, 329760, 360904, 406017, 451130, 541356, 676695, 721808, 812034, 902260, 1082712, 1353390, 1443616, 1624068, 1804520, 2030085, 2165424, 2706780, 3248136, 3609040, 4060170, 4330848, 5413560, 6496272, 7218080, 8120340, 10827120, 12992544, 16240680, 21654240, 32481360, 64962720]

約数ペア:

[(1, 64962720), (2, 32481360), (3, 21654240), (4, 16240680), (5, 12992544), (6, 10827120), (8, 8120340), (9, 7218080), (10, 6496272), (12, 5413560), (15, 4330848), (16, 4060170), (18, 3609040), (20, 3248136), (24, 2706780), (30, 2165424), (32, 2030085), (36, 1804520), (40, 1624068), (45, 1443616), (48, 1353390), (60, 1082712), (72, 902260), (80, 812034), (90, 721808), (96, 676695), (120, 541356), (144, 451130), (160, 406017), (180, 360904), (197, 329760), (229, 283680), (240, 270678), (288, 225565), (360, 180452), (394, 164880), (458, 141840), (480, 135339), (591, 109920), (687, 94560), (720, 90226), (788, 82440), (916, 70920), (985, 65952), (1145, 56736), (1182, 54960), (1374, 47280), (1440, 45113), (1576, 41220), (1773, 36640), (1832, 35460), (1970, 32976), (2061, 31520), (2290, 28368), (2364, 27480), (2748, 23640), (2955, 21984), (3152, 20610), (3435, 18912), (3546, 18320), (3664, 17730), (3940, 16488), (4122, 15760), (4580, 14184), (4728, 13740), (5496, 11820), (5910, 10992), (6304, 10305), (6870, 9456), (7092, 9160), (7328, 8865), (7880, 8244)]