78839040

素因数分解:

$2^8\times 3^1\times 5^1\times 7^2\times {\mathrm{419}}^1$

素因数の和:457

約数の個数: 216

約数和(自身を含む): 293600160

約数和(自身を除く): 214761120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 419, 420, 448, 480, 490, 560, 588, 640, 672, 735, 768, 784, 838, 840, 896, 960, 980, 1120, 1176, 1257, 1280, 1344, 1470, 1568, 1676, 1680, 1792, 1920, 1960, 2095, 2240, 2352, 2514, 2688, 2933, 2940, 3136, 3352, 3360, 3840, 3920, 4190, 4480, 4704, 5028, 5376, 5866, 5880, 6272, 6285, 6704, 6720, 7840, 8380, 8799, 8960, 9408, 10056, 11732, 11760, 12544, 12570, 13408, 13440, 14665, 15680, 16760, 17598, 18816, 20112, 20531, 23464, 23520, 25140, 26816, 26880, 29330, 31360, 33520, 35196, 37632, 40224, 41062, 43995, 46928, 47040, 50280, 53632, 58660, 61593, 62720, 67040, 70392, 80448, 82124, 87990, 93856, 94080, 100560, 102655, 107264, 117320, 123186, 134080, 140784, 160896, 164248, 175980, 187712, 188160, 201120, 205310, 234640, 246372, 268160, 281568, 307965, 321792, 328496, 351960, 375424, 402240, 410620, 469280, 492744, 536320, 563136, 615930, 656992, 703920, 750848, 804480, 821240, 938560, 985488, 1126272, 1231860, 1313984, 1407840, 1608960, 1642480, 1877120, 1970976, 2252544, 2463720, 2627968, 2815680, 3284960, 3754240, 3941952, 4927440, 5255936, 5631360, 6569920, 7883904, 9854880, 11262720, 13139840, 15767808, 19709760, 26279680, 39419520, 78839040]

約数ペア:

[(1, 78839040), (2, 39419520), (3, 26279680), (4, 19709760), (5, 15767808), (6, 13139840), (7, 11262720), (8, 9854880), (10, 7883904), (12, 6569920), (14, 5631360), (15, 5255936), (16, 4927440), (20, 3941952), (21, 3754240), (24, 3284960), (28, 2815680), (30, 2627968), (32, 2463720), (35, 2252544), (40, 1970976), (42, 1877120), (48, 1642480), (49, 1608960), (56, 1407840), (60, 1313984), (64, 1231860), (70, 1126272), (80, 985488), (84, 938560), (96, 821240), (98, 804480), (105, 750848), (112, 703920), (120, 656992), (128, 615930), (140, 563136), (147, 536320), (160, 492744), (168, 469280), (192, 410620), (196, 402240), (210, 375424), (224, 351960), (240, 328496), (245, 321792), (256, 307965), (280, 281568), (294, 268160), (320, 246372), (336, 234640), (384, 205310), (392, 201120), (419, 188160), (420, 187712), (448, 175980), (480, 164248), (490, 160896), (560, 140784), (588, 134080), (640, 123186), (672, 117320), (735, 107264), (768, 102655), (784, 100560), (838, 94080), (840, 93856), (896, 87990), (960, 82124), (980, 80448), (1120, 70392), (1176, 67040), (1257, 62720), (1280, 61593), (1344, 58660), (1470, 53632), (1568, 50280), (1676, 47040), (1680, 46928), (1792, 43995), (1920, 41062), (1960, 40224), (2095, 37632), (2240, 35196), (2352, 33520), (2514, 31360), (2688, 29330), (2933, 26880), (2940, 26816), (3136, 25140), (3352, 23520), (3360, 23464), (3840, 20531), (3920, 20112), (4190, 18816), (4480, 17598), (4704, 16760), (5028, 15680), (5376, 14665), (5866, 13440), (5880, 13408), (6272, 12570), (6285, 12544), (6704, 11760), (6720, 11732), (7840, 10056), (8380, 9408), (8799, 8960)]