142758280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 383201280

約数和(自身を除く): 240443000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 71, 86, 140, 142, 167, 172, 215, 280, 284, 301, 334, 344, 355, 430, 497, 568, 602, 668, 710, 835, 860, 994, 1169, 1204, 1336, 1420, 1505, 1670, 1720, 1988, 2338, 2408, 2485, 2840, 3010, 3053, 3340, 3976, 4676, 4970, 5845, 6020, 6106, 6680, 7181, 9352, 9940, 11690, 11857, 12040, 12212, 14362, 15265, 19880, 21371, 23380, 23714, 24424, 28724, 30530, 35905, 42742, 46760, 47428, 50267, 57448, 59285, 61060, 71810, 82999, 85484, 94856, 100534, 106855, 118570, 122120, 143620, 165998, 170968, 201068, 213710, 237140, 251335, 287240, 331996, 402136, 414995, 427420, 474280, 502670, 509851, 663992, 829990, 854840, 1005340, 1019702, 1659980, 2010680, 2039404, 2549255, 3319960, 3568957, 4078808, 5098510, 7137914, 10197020, 14275828, 17844785, 20394040, 28551656, 35689570, 71379140, 142758280]

約数ペア:

[(1, 142758280), (2, 71379140), (4, 35689570), (5, 28551656), (7, 20394040), (8, 17844785), (10, 14275828), (14, 10197020), (20, 7137914), (28, 5098510), (35, 4078808), (40, 3568957), (43, 3319960), (56, 2549255), (70, 2039404), (71, 2010680), (86, 1659980), (140, 1019702), (142, 1005340), (167, 854840), (172, 829990), (215, 663992), (280, 509851), (284, 502670), (301, 474280), (334, 427420), (344, 414995), (355, 402136), (430, 331996), (497, 287240), (568, 251335), (602, 237140), (668, 213710), (710, 201068), (835, 170968), (860, 165998), (994, 143620), (1169, 122120), (1204, 118570), (1336, 106855), (1420, 100534), (1505, 94856), (1670, 85484), (1720, 82999), (1988, 71810), (2338, 61060), (2408, 59285), (2485, 57448), (2840, 50267), (3010, 47428), (3053, 46760), (3340, 42742), (3976, 35905), (4676, 30530), (4970, 28724), (5845, 24424), (6020, 23714), (6106, 23380), (6680, 21371), (7181, 19880), (9352, 15265), (9940, 14362), (11690, 12212), (11857, 12040)]