78824680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7789}}^1$

素因数の和:7834

約数の個数: 64

約数和(自身を含む): 201916800

約数和(自身を除く): 123092120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 7789, 10120, 15578, 31156, 38945, 62312, 77890, 85679, 155780, 171358, 179147, 311560, 342716, 358294, 428395, 685432, 716588, 856790, 895735, 1433176, 1713580, 1791470, 1970617, 3427160, 3582940, 3941234, 7165880, 7882468, 9853085, 15764936, 19706170, 39412340, 78824680]

約数ペア:

[(1, 78824680), (2, 39412340), (4, 19706170), (5, 15764936), (8, 9853085), (10, 7882468), (11, 7165880), (20, 3941234), (22, 3582940), (23, 3427160), (40, 1970617), (44, 1791470), (46, 1713580), (55, 1433176), (88, 895735), (92, 856790), (110, 716588), (115, 685432), (184, 428395), (220, 358294), (230, 342716), (253, 311560), (440, 179147), (460, 171358), (506, 155780), (920, 85679), (1012, 77890), (1265, 62312), (2024, 38945), (2530, 31156), (5060, 15578), (7789, 10120)]