64696720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1987}}^1$

素因数の和:2048

約数の個数: 80

約数和(自身を含む): 168614208

約数和(自身を除く): 103917488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 1480, 1628, 1987, 2035, 2960, 3256, 3974, 4070, 6512, 7948, 8140, 9935, 15896, 16280, 19870, 21857, 31792, 32560, 39740, 43714, 73519, 79480, 87428, 109285, 147038, 158960, 174856, 218570, 294076, 349712, 367595, 437140, 588152, 735190, 808709, 874280, 1176304, 1470380, 1617418, 1748560, 2940760, 3234836, 4043545, 5881520, 6469672, 8087090, 12939344, 16174180, 32348360, 64696720]

約数ペア:

[(1, 64696720), (2, 32348360), (4, 16174180), (5, 12939344), (8, 8087090), (10, 6469672), (11, 5881520), (16, 4043545), (20, 3234836), (22, 2940760), (37, 1748560), (40, 1617418), (44, 1470380), (55, 1176304), (74, 874280), (80, 808709), (88, 735190), (110, 588152), (148, 437140), (176, 367595), (185, 349712), (220, 294076), (296, 218570), (370, 174856), (407, 158960), (440, 147038), (592, 109285), (740, 87428), (814, 79480), (880, 73519), (1480, 43714), (1628, 39740), (1987, 32560), (2035, 31792), (2960, 21857), (3256, 19870), (3974, 16280), (4070, 15896), (6512, 9935), (7948, 8140)]