9000000640

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^1\times {\mathrm{192637}}^1$

素因数の和:192729

約数の個数: 64

約数和(自身を含む): 21810474360

約数和(自身を除く): 12810473720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 292, 320, 365, 584, 640, 730, 1168, 1460, 2336, 2920, 4672, 5840, 9344, 11680, 23360, 46720, 192637, 385274, 770548, 963185, 1541096, 1926370, 3082192, 3852740, 6164384, 7705480, 12328768, 14062501, 15410960, 24657536, 28125002, 30821920, 56250004, 61643840, 70312505, 112500008, 123287680, 140625010, 225000016, 281250020, 450000032, 562500040, 900000064, 1125000080, 1800000128, 2250000160, 4500000320, 9000000640]

約数ペア:

[(1, 9000000640), (2, 4500000320), (4, 2250000160), (5, 1800000128), (8, 1125000080), (10, 900000064), (16, 562500040), (20, 450000032), (32, 281250020), (40, 225000016), (64, 140625010), (73, 123287680), (80, 112500008), (128, 70312505), (146, 61643840), (160, 56250004), (292, 30821920), (320, 28125002), (365, 24657536), (584, 15410960), (640, 14062501), (730, 12328768), (1168, 7705480), (1460, 6164384), (2336, 3852740), (2920, 3082192), (4672, 1926370), (5840, 1541096), (9344, 963185), (11680, 770548), (23360, 385274), (46720, 192637)]