80864580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79279}}^1$

素因数の和:79308

約数の個数: 48

約数和(自身を含む): 239742720

約数和(自身を除く): 158878140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 79279, 158558, 237837, 317116, 396395, 475674, 792790, 951348, 1189185, 1347743, 1585580, 2378370, 2695486, 4043229, 4756740, 5390972, 6738715, 8086458, 13477430, 16172916, 20216145, 26954860, 40432290, 80864580]

約数ペア:

[(1, 80864580), (2, 40432290), (3, 26954860), (4, 20216145), (5, 16172916), (6, 13477430), (10, 8086458), (12, 6738715), (15, 5390972), (17, 4756740), (20, 4043229), (30, 2695486), (34, 2378370), (51, 1585580), (60, 1347743), (68, 1189185), (85, 951348), (102, 792790), (170, 475674), (204, 396395), (255, 317116), (340, 237837), (510, 158558), (1020, 79279)]