30981750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 78287040

約数和(自身を除く): 47305290

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 101, 125, 150, 202, 250, 303, 375, 409, 505, 606, 750, 818, 1010, 1227, 1515, 2045, 2454, 2525, 3030, 4090, 5050, 6135, 7575, 10225, 12270, 12625, 15150, 20450, 25250, 30675, 37875, 41309, 51125, 61350, 75750, 82618, 102250, 123927, 153375, 206545, 247854, 306750, 413090, 619635, 1032725, 1239270, 2065450, 3098175, 5163625, 6196350, 10327250, 15490875, 30981750]

約数ペア:

[(1, 30981750), (2, 15490875), (3, 10327250), (5, 6196350), (6, 5163625), (10, 3098175), (15, 2065450), (25, 1239270), (30, 1032725), (50, 619635), (75, 413090), (101, 306750), (125, 247854), (150, 206545), (202, 153375), (250, 123927), (303, 102250), (375, 82618), (409, 75750), (505, 61350), (606, 51125), (750, 41309), (818, 37875), (1010, 30675), (1227, 25250), (1515, 20450), (2045, 15150), (2454, 12625), (2525, 12270), (3030, 10225), (4090, 7575), (5050, 6135)]