68530480

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 166953600

約数和(自身を除く): 98423120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 109, 116, 145, 218, 232, 271, 290, 436, 464, 542, 545, 580, 872, 1084, 1090, 1160, 1355, 1744, 2168, 2180, 2320, 2710, 3161, 4336, 4360, 5420, 6322, 7859, 8720, 10840, 12644, 15718, 15805, 21680, 25288, 29539, 31436, 31610, 39295, 50576, 59078, 62872, 63220, 78590, 118156, 125744, 126440, 147695, 157180, 236312, 252880, 295390, 314360, 472624, 590780, 628720, 856631, 1181560, 1713262, 2363120, 3426524, 4283155, 6853048, 8566310, 13706096, 17132620, 34265240, 68530480]

約数ペア:

[(1, 68530480), (2, 34265240), (4, 17132620), (5, 13706096), (8, 8566310), (10, 6853048), (16, 4283155), (20, 3426524), (29, 2363120), (40, 1713262), (58, 1181560), (80, 856631), (109, 628720), (116, 590780), (145, 472624), (218, 314360), (232, 295390), (271, 252880), (290, 236312), (436, 157180), (464, 147695), (542, 126440), (545, 125744), (580, 118156), (872, 78590), (1084, 63220), (1090, 62872), (1160, 59078), (1355, 50576), (1744, 39295), (2168, 31610), (2180, 31436), (2320, 29539), (2710, 25288), (3161, 21680), (4336, 15805), (4360, 15718), (5420, 12644), (6322, 10840), (7859, 8720)]