280860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 817152

約数和(自身を除く): 536292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 151, 155, 186, 302, 310, 372, 453, 465, 604, 620, 755, 906, 930, 1510, 1812, 1860, 2265, 3020, 4530, 4681, 9060, 9362, 14043, 18724, 23405, 28086, 46810, 56172, 70215, 93620, 140430, 280860]

約数ペア:

[(1, 280860), (2, 140430), (3, 93620), (4, 70215), (5, 56172), (6, 46810), (10, 28086), (12, 23405), (15, 18724), (20, 14043), (30, 9362), (31, 9060), (60, 4681), (62, 4530), (93, 3020), (124, 2265), (151, 1860), (155, 1812), (186, 1510), (302, 930), (310, 906), (372, 755), (453, 620), (465, 604)]