2649720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 8087040

約数和(自身を除く): 5437320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 311, 355, 426, 568, 622, 710, 852, 933, 1065, 1244, 1420, 1555, 1704, 1866, 2130, 2488, 2840, 3110, 3732, 4260, 4665, 6220, 7464, 8520, 9330, 12440, 18660, 22081, 37320, 44162, 66243, 88324, 110405, 132486, 176648, 220810, 264972, 331215, 441620, 529944, 662430, 883240, 1324860, 2649720]

約数ペア:

[(1, 2649720), (2, 1324860), (3, 883240), (4, 662430), (5, 529944), (6, 441620), (8, 331215), (10, 264972), (12, 220810), (15, 176648), (20, 132486), (24, 110405), (30, 88324), (40, 66243), (60, 44162), (71, 37320), (120, 22081), (142, 18660), (213, 12440), (284, 9330), (311, 8520), (355, 7464), (426, 6220), (568, 4665), (622, 4260), (710, 3732), (852, 3110), (933, 2840), (1065, 2488), (1244, 2130), (1420, 1866), (1555, 1704)]