64240880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1973}}^1$

素因数の和:2034

約数の個数: 80

約数和(自身を含む): 167426784

約数和(自身を除く): 103185904

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, 1973, 2035, 2960, 3256, 3946, 4070, 6512, 7892, 8140, 9865, 15784, 16280, 19730, 21703, 31568, 32560, 39460, 43406, 73001, 78920, 86812, 108515, 146002, 157840, 173624, 217030, 292004, 347248, 365005, 434060, 584008, 730010, 803011, 868120, 1168016, 1460020, 1606022, 1736240, 2920040, 3212044, 4015055, 5840080, 6424088, 8030110, 12848176, 16060220, 32120440, 64240880]

約数ペア:

[(1, 64240880), (2, 32120440), (4, 16060220), (5, 12848176), (8, 8030110), (10, 6424088), (11, 5840080), (16, 4015055), (20, 3212044), (22, 2920040), (37, 1736240), (40, 1606022), (44, 1460020), (55, 1168016), (74, 868120), (80, 803011), (88, 730010), (110, 584008), (148, 434060), (176, 365005), (185, 347248), (220, 292004), (296, 217030), (370, 173624), (407, 157840), (440, 146002), (592, 108515), (740, 86812), (814, 78920), (880, 73001), (1480, 43406), (1628, 39460), (1973, 32560), (2035, 31568), (2960, 21703), (3256, 19730), (3946, 16280), (4070, 15784), (6512, 9865), (7892, 8140)]