280771380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{519947}}^1$

素因数の和:519965

約数の個数: 48

約数和(自身を含む): 873512640

約数和(自身を除く): 592741260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 519947, 1039894, 1559841, 2079788, 2599735, 3119682, 4679523, 5199470, 6239364, 7799205, 9359046, 10398940, 14038569, 15598410, 18718092, 23397615, 28077138, 31196820, 46795230, 56154276, 70192845, 93590460, 140385690, 280771380]

約数ペア:

[(1, 280771380), (2, 140385690), (3, 93590460), (4, 70192845), (5, 56154276), (6, 46795230), (9, 31196820), (10, 28077138), (12, 23397615), (15, 18718092), (18, 15598410), (20, 14038569), (27, 10398940), (30, 9359046), (36, 7799205), (45, 6239364), (54, 5199470), (60, 4679523), (90, 3119682), (108, 2599735), (135, 2079788), (180, 1559841), (270, 1039894), (540, 519947)]