201915960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:525

約数の個数: 128

約数和(自身を含む): 627264000

約数和(自身を除く): 425348040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 109, 120, 129, 172, 215, 218, 258, 327, 344, 359, 430, 436, 516, 545, 645, 654, 718, 860, 872, 1032, 1077, 1090, 1290, 1308, 1436, 1635, 1720, 1795, 2154, 2180, 2580, 2616, 2872, 3270, 3590, 4308, 4360, 4687, 5160, 5385, 6540, 7180, 8616, 9374, 10770, 13080, 14061, 14360, 15437, 18748, 21540, 23435, 28122, 30874, 37496, 39131, 43080, 46311, 46870, 56244, 61748, 70305, 77185, 78262, 92622, 93740, 112488, 117393, 123496, 140610, 154370, 156524, 185244, 187480, 195655, 231555, 234786, 281220, 308740, 313048, 370488, 391310, 463110, 469572, 562440, 586965, 617480, 782620, 926220, 939144, 1173930, 1565240, 1682633, 1852440, 2347860, 3365266, 4695720, 5047899, 6730532, 8413165, 10095798, 13461064, 16826330, 20191596, 25239495, 33652660, 40383192, 50478990, 67305320, 100957980, 201915960]

約数ペア:

[(1, 201915960), (2, 100957980), (3, 67305320), (4, 50478990), (5, 40383192), (6, 33652660), (8, 25239495), (10, 20191596), (12, 16826330), (15, 13461064), (20, 10095798), (24, 8413165), (30, 6730532), (40, 5047899), (43, 4695720), (60, 3365266), (86, 2347860), (109, 1852440), (120, 1682633), (129, 1565240), (172, 1173930), (215, 939144), (218, 926220), (258, 782620), (327, 617480), (344, 586965), (359, 562440), (430, 469572), (436, 463110), (516, 391310), (545, 370488), (645, 313048), (654, 308740), (718, 281220), (860, 234786), (872, 231555), (1032, 195655), (1077, 187480), (1090, 185244), (1290, 156524), (1308, 154370), (1436, 140610), (1635, 123496), (1720, 117393), (1795, 112488), (2154, 93740), (2180, 92622), (2580, 78262), (2616, 77185), (2872, 70305), (3270, 61748), (3590, 56244), (4308, 46870), (4360, 46311), (4687, 43080), (5160, 39131), (5385, 37496), (6540, 30874), (7180, 28122), (8616, 23435), (9374, 21540), (10770, 18748), (13080, 15437), (14061, 14360)]