78461880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{93407}}^1$

素因数の和:93428

約数の個数: 64

約数和(自身を含む): 269015040

約数和(自身を除く): 190553160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 93407, 186814, 280221, 373628, 467035, 560442, 653849, 747256, 934070, 1120884, 1307698, 1401105, 1868140, 1961547, 2241768, 2615396, 2802210, 3269245, 3736280, 3923094, 5230792, 5604420, 6538490, 7846188, 9807735, 11208840, 13076980, 15692376, 19615470, 26153960, 39230940, 78461880]

約数ペア:

[(1, 78461880), (2, 39230940), (3, 26153960), (4, 19615470), (5, 15692376), (6, 13076980), (7, 11208840), (8, 9807735), (10, 7846188), (12, 6538490), (14, 5604420), (15, 5230792), (20, 3923094), (21, 3736280), (24, 3269245), (28, 2802210), (30, 2615396), (35, 2241768), (40, 1961547), (42, 1868140), (56, 1401105), (60, 1307698), (70, 1120884), (84, 934070), (105, 747256), (120, 653849), (140, 560442), (168, 467035), (210, 373628), (280, 280221), (420, 186814), (840, 93407)]