1668341640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1986121}}^1$

素因数の和:1986142

約数の個数: 64

約数和(自身を含む): 5720031360

約数和(自身を除く): 4051689720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1986121, 3972242, 5958363, 7944484, 9930605, 11916726, 13902847, 15888968, 19861210, 23833452, 27805694, 29791815, 39722420, 41708541, 47666904, 55611388, 59583630, 69514235, 79444840, 83417082, 111222776, 119167260, 139028470, 166834164, 208542705, 238334520, 278056940, 333668328, 417085410, 556113880, 834170820, 1668341640]

約数ペア:

[(1, 1668341640), (2, 834170820), (3, 556113880), (4, 417085410), (5, 333668328), (6, 278056940), (7, 238334520), (8, 208542705), (10, 166834164), (12, 139028470), (14, 119167260), (15, 111222776), (20, 83417082), (21, 79444840), (24, 69514235), (28, 59583630), (30, 55611388), (35, 47666904), (40, 41708541), (42, 39722420), (56, 29791815), (60, 27805694), (70, 23833452), (84, 19861210), (105, 15888968), (120, 13902847), (140, 11916726), (168, 9930605), (210, 7944484), (280, 5958363), (420, 3972242), (840, 1986121)]