64847440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2693}}^1$

素因数の和:2756

約数の個数: 80

約数和(自身を含む): 176381568

約数和(自身を除く): 111534128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 2693, 3010, 3440, 4816, 5386, 6020, 10772, 12040, 13465, 18851, 21544, 24080, 26930, 37702, 43088, 53860, 75404, 94255, 107720, 115799, 150808, 188510, 215440, 231598, 301616, 377020, 463196, 578995, 754040, 810593, 926392, 1157990, 1508080, 1621186, 1852784, 2315980, 3242372, 4052965, 4631960, 6484744, 8105930, 9263920, 12969488, 16211860, 32423720, 64847440]

約数ペア:

[(1, 64847440), (2, 32423720), (4, 16211860), (5, 12969488), (7, 9263920), (8, 8105930), (10, 6484744), (14, 4631960), (16, 4052965), (20, 3242372), (28, 2315980), (35, 1852784), (40, 1621186), (43, 1508080), (56, 1157990), (70, 926392), (80, 810593), (86, 754040), (112, 578995), (140, 463196), (172, 377020), (215, 301616), (280, 231598), (301, 215440), (344, 188510), (430, 150808), (560, 115799), (602, 107720), (688, 94255), (860, 75404), (1204, 53860), (1505, 43088), (1720, 37702), (2408, 26930), (2693, 24080), (3010, 21544), (3440, 18851), (4816, 13465), (5386, 12040), (6020, 10772)]