15230780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 34020000

約数和(自身を除く): 18789220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 269, 298, 380, 538, 596, 745, 1076, 1345, 1490, 2690, 2831, 2980, 5111, 5380, 5662, 10222, 11324, 14155, 20444, 25555, 28310, 40081, 51110, 56620, 80162, 102220, 160324, 200405, 400810, 761539, 801620, 1523078, 3046156, 3807695, 7615390, 15230780]

約数ペア:

[(1, 15230780), (2, 7615390), (4, 3807695), (5, 3046156), (10, 1523078), (19, 801620), (20, 761539), (38, 400810), (76, 200405), (95, 160324), (149, 102220), (190, 80162), (269, 56620), (298, 51110), (380, 40081), (538, 28310), (596, 25555), (745, 20444), (1076, 14155), (1345, 11324), (1490, 10222), (2690, 5662), (2831, 5380), (2980, 5111)]