520847340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{667753}}^1$

素因数の和:667778

約数の個数: 48

約数和(自身を含む): 1570557408

約数和(自身を除く): 1049710068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 667753, 1335506, 2003259, 2671012, 3338765, 4006518, 6677530, 8013036, 8680789, 10016295, 13355060, 17361578, 20032590, 26042367, 34723156, 40065180, 43403945, 52084734, 86807890, 104169468, 130211835, 173615780, 260423670, 520847340]

約数ペア:

[(1, 520847340), (2, 260423670), (3, 173615780), (4, 130211835), (5, 104169468), (6, 86807890), (10, 52084734), (12, 43403945), (13, 40065180), (15, 34723156), (20, 26042367), (26, 20032590), (30, 17361578), (39, 13355060), (52, 10016295), (60, 8680789), (65, 8013036), (78, 6677530), (130, 4006518), (156, 3338765), (195, 2671012), (260, 2003259), (390, 1335506), (780, 667753)]