256634120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3089}}^1$

素因数の和:3198

約数の個数: 64

約数和(自身を含む): 605145600

約数和(自身を除く): 348511480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 124, 134, 155, 248, 268, 310, 335, 536, 620, 670, 1240, 1340, 2077, 2680, 3089, 4154, 6178, 8308, 10385, 12356, 15445, 16616, 20770, 24712, 30890, 41540, 61780, 83080, 95759, 123560, 191518, 206963, 383036, 413926, 478795, 766072, 827852, 957590, 1034815, 1655704, 1915180, 2069630, 3830360, 4139260, 6415853, 8278520, 12831706, 25663412, 32079265, 51326824, 64158530, 128317060, 256634120]

約数ペア:

[(1, 256634120), (2, 128317060), (4, 64158530), (5, 51326824), (8, 32079265), (10, 25663412), (20, 12831706), (31, 8278520), (40, 6415853), (62, 4139260), (67, 3830360), (124, 2069630), (134, 1915180), (155, 1655704), (248, 1034815), (268, 957590), (310, 827852), (335, 766072), (536, 478795), (620, 413926), (670, 383036), (1240, 206963), (1340, 191518), (2077, 123560), (2680, 95759), (3089, 83080), (4154, 61780), (6178, 41540), (8308, 30890), (10385, 24712), (12356, 20770), (15445, 16616)]