119720320

素因数分解:

$2^7\times 5^1\times {\mathrm{283}}^1\times {\mathrm{661}}^1$

素因数の和:963

約数の個数: 64

約数和(自身を含む): 287652240

約数和(自身を除く): 167931920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 283, 320, 566, 640, 661, 1132, 1322, 1415, 2264, 2644, 2830, 3305, 4528, 5288, 5660, 6610, 9056, 10576, 11320, 13220, 18112, 21152, 22640, 26440, 36224, 42304, 45280, 52880, 84608, 90560, 105760, 181120, 187063, 211520, 374126, 423040, 748252, 935315, 1496504, 1870630, 2993008, 3741260, 5986016, 7482520, 11972032, 14965040, 23944064, 29930080, 59860160, 119720320]

約数ペア:

[(1, 119720320), (2, 59860160), (4, 29930080), (5, 23944064), (8, 14965040), (10, 11972032), (16, 7482520), (20, 5986016), (32, 3741260), (40, 2993008), (64, 1870630), (80, 1496504), (128, 935315), (160, 748252), (283, 423040), (320, 374126), (566, 211520), (640, 187063), (661, 181120), (1132, 105760), (1322, 90560), (1415, 84608), (2264, 52880), (2644, 45280), (2830, 42304), (3305, 36224), (4528, 26440), (5288, 22640), (5660, 21152), (6610, 18112), (9056, 13220), (10576, 11320)]