246976520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:415

約数の個数: 128

約数和(自身を含む): 661098240

約数和(自身を除く): 414121720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 73, 86, 140, 146, 172, 215, 280, 281, 292, 301, 344, 365, 430, 511, 562, 584, 602, 730, 860, 1022, 1124, 1204, 1405, 1460, 1505, 1720, 1967, 2044, 2248, 2408, 2555, 2810, 2920, 3010, 3139, 3934, 4088, 5110, 5620, 6020, 6278, 7868, 9835, 10220, 11240, 12040, 12083, 12556, 15695, 15736, 19670, 20440, 20513, 21973, 24166, 25112, 31390, 39340, 41026, 43946, 48332, 60415, 62780, 78680, 82052, 84581, 87892, 96664, 102565, 109865, 120830, 125560, 143591, 164104, 169162, 175784, 205130, 219730, 241660, 287182, 338324, 410260, 422905, 439460, 483320, 574364, 676648, 717955, 820520, 845810, 878920, 882059, 1148728, 1435910, 1691620, 1764118, 2871820, 3383240, 3528236, 4410295, 5743640, 6174413, 7056472, 8820590, 12348826, 17641180, 24697652, 30872065, 35282360, 49395304, 61744130, 123488260, 246976520]

約数ペア:

[(1, 246976520), (2, 123488260), (4, 61744130), (5, 49395304), (7, 35282360), (8, 30872065), (10, 24697652), (14, 17641180), (20, 12348826), (28, 8820590), (35, 7056472), (40, 6174413), (43, 5743640), (56, 4410295), (70, 3528236), (73, 3383240), (86, 2871820), (140, 1764118), (146, 1691620), (172, 1435910), (215, 1148728), (280, 882059), (281, 878920), (292, 845810), (301, 820520), (344, 717955), (365, 676648), (430, 574364), (511, 483320), (562, 439460), (584, 422905), (602, 410260), (730, 338324), (860, 287182), (1022, 241660), (1124, 219730), (1204, 205130), (1405, 175784), (1460, 169162), (1505, 164104), (1720, 143591), (1967, 125560), (2044, 120830), (2248, 109865), (2408, 102565), (2555, 96664), (2810, 87892), (2920, 84581), (3010, 82052), (3139, 78680), (3934, 62780), (4088, 60415), (5110, 48332), (5620, 43946), (6020, 41026), (6278, 39340), (7868, 31390), (9835, 25112), (10220, 24166), (11240, 21973), (12040, 20513), (12083, 20440), (12556, 19670), (15695, 15736)]