7245711680

素因数分解:

$2^6\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{17539}}^1$

素因数の和:18847

約数の個数: 56

約数和(自身を含む): 17268200160

約数和(自身を除く): 10022488480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1291, 2582, 5164, 6455, 10328, 12910, 17539, 20656, 25820, 35078, 41312, 51640, 70156, 82624, 87695, 103280, 140312, 175390, 206560, 280624, 350780, 413120, 561248, 701560, 1122496, 1403120, 2806240, 5612480, 22642849, 45285698, 90571396, 113214245, 181142792, 226428490, 362285584, 452856980, 724571168, 905713960, 1449142336, 1811427920, 3622855840, 7245711680]

約数ペア:

[(1, 7245711680), (2, 3622855840), (4, 1811427920), (5, 1449142336), (8, 905713960), (10, 724571168), (16, 452856980), (20, 362285584), (32, 226428490), (40, 181142792), (64, 113214245), (80, 90571396), (160, 45285698), (320, 22642849), (1291, 5612480), (2582, 2806240), (5164, 1403120), (6455, 1122496), (10328, 701560), (12910, 561248), (17539, 413120), (20656, 350780), (25820, 280624), (35078, 206560), (41312, 175390), (51640, 140312), (70156, 103280), (82624, 87695)]