2652240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 8445888

約数和(自身を除く): 5793648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 257, 258, 344, 430, 514, 516, 645, 688, 771, 860, 1028, 1032, 1285, 1290, 1542, 1720, 2056, 2064, 2570, 2580, 3084, 3440, 3855, 4112, 5140, 5160, 6168, 7710, 10280, 10320, 11051, 12336, 15420, 20560, 22102, 30840, 33153, 44204, 55255, 61680, 66306, 88408, 110510, 132612, 165765, 176816, 221020, 265224, 331530, 442040, 530448, 663060, 884080, 1326120, 2652240]

約数ペア:

[(1, 2652240), (2, 1326120), (3, 884080), (4, 663060), (5, 530448), (6, 442040), (8, 331530), (10, 265224), (12, 221020), (15, 176816), (16, 165765), (20, 132612), (24, 110510), (30, 88408), (40, 66306), (43, 61680), (48, 55255), (60, 44204), (80, 33153), (86, 30840), (120, 22102), (129, 20560), (172, 15420), (215, 12336), (240, 11051), (257, 10320), (258, 10280), (344, 7710), (430, 6168), (514, 5160), (516, 5140), (645, 4112), (688, 3855), (771, 3440), (860, 3084), (1028, 2580), (1032, 2570), (1285, 2064), (1290, 2056), (1542, 1720)]