81513600

素因数分解:

$2^7\times 3^1\times 5^2\times 7^1\times {\mathrm{1213}}^1$

素因数の和:1247

約数の個数: 192

約数和(自身を含む): 307093440

約数和(自身を除く): 225579840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 128, 140, 150, 160, 168, 175, 192, 200, 210, 224, 240, 280, 300, 320, 336, 350, 384, 400, 420, 448, 480, 525, 560, 600, 640, 672, 700, 800, 840, 896, 960, 1050, 1120, 1200, 1213, 1344, 1400, 1600, 1680, 1920, 2100, 2240, 2400, 2426, 2688, 2800, 3200, 3360, 3639, 4200, 4480, 4800, 4852, 5600, 6065, 6720, 7278, 8400, 8491, 9600, 9704, 11200, 12130, 13440, 14556, 16800, 16982, 18195, 19408, 22400, 24260, 25473, 29112, 30325, 33600, 33964, 36390, 38816, 42455, 48520, 50946, 58224, 60650, 67200, 67928, 72780, 77632, 84910, 90975, 97040, 101892, 116448, 121300, 127365, 135856, 145560, 155264, 169820, 181950, 194080, 203784, 212275, 232896, 242600, 254730, 271712, 291120, 339640, 363900, 388160, 407568, 424550, 465792, 485200, 509460, 543424, 582240, 636825, 679280, 727800, 776320, 815136, 849100, 970400, 1018920, 1086848, 1164480, 1273650, 1358560, 1455600, 1630272, 1698200, 1940800, 2037840, 2328960, 2547300, 2717120, 2911200, 3260544, 3396400, 3881600, 4075680, 5094600, 5434240, 5822400, 6792800, 8151360, 10189200, 11644800, 13585600, 16302720, 20378400, 27171200, 40756800, 81513600]

約数ペア:

[(1, 81513600), (2, 40756800), (3, 27171200), (4, 20378400), (5, 16302720), (6, 13585600), (7, 11644800), (8, 10189200), (10, 8151360), (12, 6792800), (14, 5822400), (15, 5434240), (16, 5094600), (20, 4075680), (21, 3881600), (24, 3396400), (25, 3260544), (28, 2911200), (30, 2717120), (32, 2547300), (35, 2328960), (40, 2037840), (42, 1940800), (48, 1698200), (50, 1630272), (56, 1455600), (60, 1358560), (64, 1273650), (70, 1164480), (75, 1086848), (80, 1018920), (84, 970400), (96, 849100), (100, 815136), (105, 776320), (112, 727800), (120, 679280), (128, 636825), (140, 582240), (150, 543424), (160, 509460), (168, 485200), (175, 465792), (192, 424550), (200, 407568), (210, 388160), (224, 363900), (240, 339640), (280, 291120), (300, 271712), (320, 254730), (336, 242600), (350, 232896), (384, 212275), (400, 203784), (420, 194080), (448, 181950), (480, 169820), (525, 155264), (560, 145560), (600, 135856), (640, 127365), (672, 121300), (700, 116448), (800, 101892), (840, 97040), (896, 90975), (960, 84910), (1050, 77632), (1120, 72780), (1200, 67928), (1213, 67200), (1344, 60650), (1400, 58224), (1600, 50946), (1680, 48520), (1920, 42455), (2100, 38816), (2240, 36390), (2400, 33964), (2426, 33600), (2688, 30325), (2800, 29112), (3200, 25473), (3360, 24260), (3639, 22400), (4200, 19408), (4480, 18195), (4800, 16982), (4852, 16800), (5600, 14556), (6065, 13440), (6720, 12130), (7278, 11200), (8400, 9704), (8491, 9600)]