1235648640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{643567}}^1$

素因数の和:643589

約数の個数: 64

約数和(自身を含む): 3938636160

約数和(自身を除く): 2702987520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 643567, 1287134, 1930701, 2574268, 3217835, 3861402, 5148536, 6435670, 7722804, 9653505, 10297072, 12871340, 15445608, 19307010, 20594144, 25742680, 30891216, 38614020, 41188288, 51485360, 61782432, 77228040, 82376576, 102970720, 123564864, 154456080, 205941440, 247129728, 308912160, 411882880, 617824320, 1235648640]

約数ペア:

[(1, 1235648640), (2, 617824320), (3, 411882880), (4, 308912160), (5, 247129728), (6, 205941440), (8, 154456080), (10, 123564864), (12, 102970720), (15, 82376576), (16, 77228040), (20, 61782432), (24, 51485360), (30, 41188288), (32, 38614020), (40, 30891216), (48, 25742680), (60, 20594144), (64, 19307010), (80, 15445608), (96, 12871340), (120, 10297072), (128, 9653505), (160, 7722804), (192, 6435670), (240, 5148536), (320, 3861402), (384, 3217835), (480, 2574268), (640, 1930701), (960, 1287134), (1920, 643567)]