2572240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 80

約数和(自身を含む): 6785280

約数和(自身を除く): 4213040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 79, 80, 88, 110, 148, 158, 176, 185, 220, 296, 316, 370, 395, 407, 440, 592, 632, 740, 790, 814, 869, 880, 1264, 1480, 1580, 1628, 1738, 2035, 2923, 2960, 3160, 3256, 3476, 4070, 4345, 5846, 6320, 6512, 6952, 8140, 8690, 11692, 13904, 14615, 16280, 17380, 23384, 29230, 32153, 32560, 34760, 46768, 58460, 64306, 69520, 116920, 128612, 160765, 233840, 257224, 321530, 514448, 643060, 1286120, 2572240]

約数ペア:

[(1, 2572240), (2, 1286120), (4, 643060), (5, 514448), (8, 321530), (10, 257224), (11, 233840), (16, 160765), (20, 128612), (22, 116920), (37, 69520), (40, 64306), (44, 58460), (55, 46768), (74, 34760), (79, 32560), (80, 32153), (88, 29230), (110, 23384), (148, 17380), (158, 16280), (176, 14615), (185, 13904), (220, 11692), (296, 8690), (316, 8140), (370, 6952), (395, 6512), (407, 6320), (440, 5846), (592, 4345), (632, 4070), (740, 3476), (790, 3256), (814, 3160), (869, 2960), (880, 2923), (1264, 2035), (1480, 1738), (1580, 1628)]