264588680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20479}}^1$

素因数の和:20526

約数の個数: 64

約数和(自身を含む): 663552000

約数和(自身を除く): 398963320

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6460, 12920, 20479, 40958, 81916, 102395, 163832, 204790, 348143, 389101, 409580, 696286, 778202, 819160, 1392572, 1556404, 1740715, 1945505, 2785144, 3112808, 3481430, 3891010, 6614717, 6962860, 7782020, 13229434, 13925720, 15564040, 26458868, 33073585, 52917736, 66147170, 132294340, 264588680]

約数ペア:

[(1, 264588680), (2, 132294340), (4, 66147170), (5, 52917736), (8, 33073585), (10, 26458868), (17, 15564040), (19, 13925720), (20, 13229434), (34, 7782020), (38, 6962860), (40, 6614717), (68, 3891010), (76, 3481430), (85, 3112808), (95, 2785144), (136, 1945505), (152, 1740715), (170, 1556404), (190, 1392572), (323, 819160), (340, 778202), (380, 696286), (646, 409580), (680, 389101), (760, 348143), (1292, 204790), (1615, 163832), (2584, 102395), (3230, 81916), (6460, 40958), (12920, 20479)]