20423775360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{247381}}^1$

素因数の和:247446

約数の個数: 128

約数和(自身を含む): 66615024960

約数和(自身を除く): 46191249600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 192, 215, 240, 258, 320, 344, 384, 430, 480, 516, 640, 645, 688, 860, 960, 1032, 1290, 1376, 1720, 1920, 2064, 2580, 2752, 3440, 4128, 5160, 5504, 6880, 8256, 10320, 13760, 16512, 20640, 27520, 41280, 82560, 247381, 494762, 742143, 989524, 1236905, 1484286, 1979048, 2473810, 2968572, 3710715, 3958096, 4947620, 5937144, 7421430, 7916192, 9895240, 10637383, 11874288, 14842860, 15832384, 19790480, 21274766, 23748576, 29685720, 31664768, 31912149, 39580960, 42549532, 47497152, 53186915, 59371440, 63824298, 79161920, 85099064, 94994304, 106373830, 118742880, 127648596, 158323840, 159560745, 170198128, 212747660, 237485760, 255297192, 319121490, 340396256, 425495320, 474971520, 510594384, 638242980, 680792512, 850990640, 1021188768, 1276485960, 1361585024, 1701981280, 2042377536, 2552971920, 3403962560, 4084755072, 5105943840, 6807925120, 10211887680, 20423775360]

約数ペア:

[(1, 20423775360), (2, 10211887680), (3, 6807925120), (4, 5105943840), (5, 4084755072), (6, 3403962560), (8, 2552971920), (10, 2042377536), (12, 1701981280), (15, 1361585024), (16, 1276485960), (20, 1021188768), (24, 850990640), (30, 680792512), (32, 638242980), (40, 510594384), (43, 474971520), (48, 425495320), (60, 340396256), (64, 319121490), (80, 255297192), (86, 237485760), (96, 212747660), (120, 170198128), (128, 159560745), (129, 158323840), (160, 127648596), (172, 118742880), (192, 106373830), (215, 94994304), (240, 85099064), (258, 79161920), (320, 63824298), (344, 59371440), (384, 53186915), (430, 47497152), (480, 42549532), (516, 39580960), (640, 31912149), (645, 31664768), (688, 29685720), (860, 23748576), (960, 21274766), (1032, 19790480), (1290, 15832384), (1376, 14842860), (1720, 11874288), (1920, 10637383), (2064, 9895240), (2580, 7916192), (2752, 7421430), (3440, 5937144), (4128, 4947620), (5160, 3958096), (5504, 3710715), (6880, 2968572), (8256, 2473810), (10320, 1979048), (13760, 1484286), (16512, 1236905), (20640, 989524), (27520, 742143), (41280, 494762), (82560, 247381)]