66428880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{39541}}^1$

素因数の和:39564

約数の個数: 80

約数和(自身を含む): 235353984

約数和(自身を除く): 168925104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 39541, 79082, 118623, 158164, 197705, 237246, 276787, 316328, 395410, 474492, 553574, 593115, 632656, 790820, 830361, 948984, 1107148, 1186230, 1383935, 1581640, 1660722, 1897968, 2214296, 2372460, 2767870, 3163280, 3321444, 4151805, 4428592, 4744920, 5535740, 6642888, 8303610, 9489840, 11071480, 13285776, 16607220, 22142960, 33214440, 66428880]

約数ペア:

[(1, 66428880), (2, 33214440), (3, 22142960), (4, 16607220), (5, 13285776), (6, 11071480), (7, 9489840), (8, 8303610), (10, 6642888), (12, 5535740), (14, 4744920), (15, 4428592), (16, 4151805), (20, 3321444), (21, 3163280), (24, 2767870), (28, 2372460), (30, 2214296), (35, 1897968), (40, 1660722), (42, 1581640), (48, 1383935), (56, 1186230), (60, 1107148), (70, 948984), (80, 830361), (84, 790820), (105, 632656), (112, 593115), (120, 553574), (140, 474492), (168, 395410), (210, 316328), (240, 276787), (280, 237246), (336, 197705), (420, 158164), (560, 118623), (840, 79082), (1680, 39541)]