258940920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{308263}}^1$

素因数の和:308284

約数の個数: 64

約数和(自身を含む): 887800320

約数和(自身を除く): 628859400

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, 308263, 616526, 924789, 1233052, 1541315, 1849578, 2157841, 2466104, 3082630, 3699156, 4315682, 4623945, 6165260, 6473523, 7398312, 8631364, 9247890, 10789205, 12330520, 12947046, 17262728, 18495780, 21578410, 25894092, 32367615, 36991560, 43156820, 51788184, 64735230, 86313640, 129470460, 258940920]

約数ペア:

[(1, 258940920), (2, 129470460), (3, 86313640), (4, 64735230), (5, 51788184), (6, 43156820), (7, 36991560), (8, 32367615), (10, 25894092), (12, 21578410), (14, 18495780), (15, 17262728), (20, 12947046), (21, 12330520), (24, 10789205), (28, 9247890), (30, 8631364), (35, 7398312), (40, 6473523), (42, 6165260), (56, 4623945), (60, 4315682), (70, 3699156), (84, 3082630), (105, 2466104), (120, 2157841), (140, 1849578), (168, 1541315), (210, 1233052), (280, 924789), (420, 616526), (840, 308263)]