810721920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:363

約数の個数: 256

約数和(自身を含む): 2728442880

約数和(自身を除く): 1917720960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 53, 60, 62, 64, 80, 93, 96, 106, 120, 124, 128, 155, 159, 160, 186, 192, 212, 240, 248, 257, 265, 310, 318, 320, 372, 384, 424, 465, 480, 496, 514, 530, 620, 636, 640, 744, 771, 795, 848, 930, 960, 992, 1028, 1060, 1240, 1272, 1285, 1488, 1542, 1590, 1643, 1696, 1860, 1920, 1984, 2056, 2120, 2480, 2544, 2570, 2976, 3084, 3180, 3286, 3392, 3720, 3855, 3968, 4112, 4240, 4929, 4960, 5088, 5140, 5952, 6168, 6360, 6572, 6784, 7440, 7710, 7967, 8215, 8224, 8480, 9858, 9920, 10176, 10280, 11904, 12336, 12720, 13144, 13621, 14880, 15420, 15934, 16430, 16448, 16960, 19716, 19840, 20352, 20560, 23901, 24645, 24672, 25440, 26288, 27242, 29760, 30840, 31868, 32860, 32896, 33920, 39432, 39835, 40863, 41120, 47802, 49290, 49344, 50880, 52576, 54484, 59520, 61680, 63736, 65720, 68105, 78864, 79670, 81726, 82240, 95604, 98580, 98688, 101760, 105152, 108968, 119505, 123360, 127472, 131440, 136210, 157728, 159340, 163452, 164480, 191208, 197160, 204315, 210304, 217936, 239010, 246720, 254944, 262880, 272420, 315456, 318680, 326904, 382416, 394320, 408630, 422251, 435872, 478020, 493440, 509888, 525760, 544840, 630912, 637360, 653808, 764832, 788640, 817260, 844502, 871744, 956040, 1019776, 1051520, 1089680, 1266753, 1274720, 1307616, 1529664, 1577280, 1634520, 1689004, 1743488, 1912080, 2111255, 2179360, 2533506, 2549440, 2615232, 3059328, 3154560, 3269040, 3378008, 3824160, 4222510, 4358720, 5067012, 5098880, 5230464, 6333765, 6538080, 6756016, 7648320, 8445020, 8717440, 10134024, 12667530, 13076160, 13512032, 15296640, 16890040, 20268048, 25335060, 26152320, 27024064, 33780080, 40536096, 50670120, 54048128, 67560160, 81072192, 101340240, 135120320, 162144384, 202680480, 270240640, 405360960, 810721920]

約数ペア:

[(1, 810721920), (2, 405360960), (3, 270240640), (4, 202680480), (5, 162144384), (6, 135120320), (8, 101340240), (10, 81072192), (12, 67560160), (15, 54048128), (16, 50670120), (20, 40536096), (24, 33780080), (30, 27024064), (31, 26152320), (32, 25335060), (40, 20268048), (48, 16890040), (53, 15296640), (60, 13512032), (62, 13076160), (64, 12667530), (80, 10134024), (93, 8717440), (96, 8445020), (106, 7648320), (120, 6756016), (124, 6538080), (128, 6333765), (155, 5230464), (159, 5098880), (160, 5067012), (186, 4358720), (192, 4222510), (212, 3824160), (240, 3378008), (248, 3269040), (257, 3154560), (265, 3059328), (310, 2615232), (318, 2549440), (320, 2533506), (372, 2179360), (384, 2111255), (424, 1912080), (465, 1743488), (480, 1689004), (496, 1634520), (514, 1577280), (530, 1529664), (620, 1307616), (636, 1274720), (640, 1266753), (744, 1089680), (771, 1051520), (795, 1019776), (848, 956040), (930, 871744), (960, 844502), (992, 817260), (1028, 788640), (1060, 764832), (1240, 653808), (1272, 637360), (1285, 630912), (1488, 544840), (1542, 525760), (1590, 509888), (1643, 493440), (1696, 478020), (1860, 435872), (1920, 422251), (1984, 408630), (2056, 394320), (2120, 382416), (2480, 326904), (2544, 318680), (2570, 315456), (2976, 272420), (3084, 262880), (3180, 254944), (3286, 246720), (3392, 239010), (3720, 217936), (3855, 210304), (3968, 204315), (4112, 197160), (4240, 191208), (4929, 164480), (4960, 163452), (5088, 159340), (5140, 157728), (5952, 136210), (6168, 131440), (6360, 127472), (6572, 123360), (6784, 119505), (7440, 108968), (7710, 105152), (7967, 101760), (8215, 98688), (8224, 98580), (8480, 95604), (9858, 82240), (9920, 81726), (10176, 79670), (10280, 78864), (11904, 68105), (12336, 65720), (12720, 63736), (13144, 61680), (13621, 59520), (14880, 54484), (15420, 52576), (15934, 50880), (16430, 49344), (16448, 49290), (16960, 47802), (19716, 41120), (19840, 40863), (20352, 39835), (20560, 39432), (23901, 33920), (24645, 32896), (24672, 32860), (25440, 31868), (26288, 30840), (27242, 29760)]