2811960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 9350640

約数和(自身を除く): 6538680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 73, 90, 107, 120, 146, 180, 214, 219, 292, 321, 360, 365, 428, 438, 535, 584, 642, 657, 730, 856, 876, 963, 1070, 1095, 1284, 1314, 1460, 1605, 1752, 1926, 2140, 2190, 2568, 2628, 2920, 3210, 3285, 3852, 4280, 4380, 4815, 5256, 6420, 6570, 7704, 7811, 8760, 9630, 12840, 13140, 15622, 19260, 23433, 26280, 31244, 38520, 39055, 46866, 62488, 70299, 78110, 93732, 117165, 140598, 156220, 187464, 234330, 281196, 312440, 351495, 468660, 562392, 702990, 937320, 1405980, 2811960]

約数ペア:

[(1, 2811960), (2, 1405980), (3, 937320), (4, 702990), (5, 562392), (6, 468660), (8, 351495), (9, 312440), (10, 281196), (12, 234330), (15, 187464), (18, 156220), (20, 140598), (24, 117165), (30, 93732), (36, 78110), (40, 70299), (45, 62488), (60, 46866), (72, 39055), (73, 38520), (90, 31244), (107, 26280), (120, 23433), (146, 19260), (180, 15622), (214, 13140), (219, 12840), (292, 9630), (321, 8760), (360, 7811), (365, 7704), (428, 6570), (438, 6420), (535, 5256), (584, 4815), (642, 4380), (657, 4280), (730, 3852), (856, 3285), (876, 3210), (963, 2920), (1070, 2628), (1095, 2568), (1284, 2190), (1314, 2140), (1460, 1926), (1605, 1752)]