515220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 1494528

約数和(自身を除く): 979308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 277, 310, 372, 465, 554, 620, 831, 930, 1108, 1385, 1662, 1860, 2770, 3324, 4155, 5540, 8310, 8587, 16620, 17174, 25761, 34348, 42935, 51522, 85870, 103044, 128805, 171740, 257610, 515220]

約数ペア:

[(1, 515220), (2, 257610), (3, 171740), (4, 128805), (5, 103044), (6, 85870), (10, 51522), (12, 42935), (15, 34348), (20, 25761), (30, 17174), (31, 16620), (60, 8587), (62, 8310), (93, 5540), (124, 4155), (155, 3324), (186, 2770), (277, 1860), (310, 1662), (372, 1385), (465, 1108), (554, 930), (620, 831)]