401220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{743}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 1249920

約数和(自身を除く): 848700

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, 743, 1486, 2229, 2972, 3715, 4458, 6687, 7430, 8916, 11145, 13374, 14860, 20061, 22290, 26748, 33435, 40122, 44580, 66870, 80244, 100305, 133740, 200610, 401220]

約数ペア:

[(1, 401220), (2, 200610), (3, 133740), (4, 100305), (5, 80244), (6, 66870), (9, 44580), (10, 40122), (12, 33435), (15, 26748), (18, 22290), (20, 20061), (27, 14860), (30, 13374), (36, 11145), (45, 8916), (54, 7430), (60, 6687), (90, 4458), (108, 3715), (135, 2972), (180, 2229), (270, 1486), (540, 743)]