30461560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 72900000

約数和(自身を除く): 42438440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 269, 298, 380, 538, 596, 745, 760, 1076, 1192, 1345, 1490, 2152, 2690, 2831, 2980, 5111, 5380, 5662, 5960, 10222, 10760, 11324, 14155, 20444, 22648, 25555, 28310, 40081, 40888, 51110, 56620, 80162, 102220, 113240, 160324, 200405, 204440, 320648, 400810, 761539, 801620, 1523078, 1603240, 3046156, 3807695, 6092312, 7615390, 15230780, 30461560]

約数ペア:

[(1, 30461560), (2, 15230780), (4, 7615390), (5, 6092312), (8, 3807695), (10, 3046156), (19, 1603240), (20, 1523078), (38, 801620), (40, 761539), (76, 400810), (95, 320648), (149, 204440), (152, 200405), (190, 160324), (269, 113240), (298, 102220), (380, 80162), (538, 56620), (596, 51110), (745, 40888), (760, 40081), (1076, 28310), (1192, 25555), (1345, 22648), (1490, 20444), (2152, 14155), (2690, 11324), (2831, 10760), (2980, 10222), (5111, 5960), (5380, 5662)]