78160640

素因数分解:

$2^8\times 5^1\times {\mathrm{227}}^1\times {\mathrm{269}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 188742960

約数和(自身を除く): 110582320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 227, 256, 269, 320, 454, 538, 640, 908, 1076, 1135, 1280, 1345, 1816, 2152, 2270, 2690, 3632, 4304, 4540, 5380, 7264, 8608, 9080, 10760, 14528, 17216, 18160, 21520, 29056, 34432, 36320, 43040, 58112, 61063, 68864, 72640, 86080, 122126, 145280, 172160, 244252, 290560, 305315, 344320, 488504, 610630, 977008, 1221260, 1954016, 2442520, 3908032, 4885040, 7816064, 9770080, 15632128, 19540160, 39080320, 78160640]

約数ペア:

[(1, 78160640), (2, 39080320), (4, 19540160), (5, 15632128), (8, 9770080), (10, 7816064), (16, 4885040), (20, 3908032), (32, 2442520), (40, 1954016), (64, 1221260), (80, 977008), (128, 610630), (160, 488504), (227, 344320), (256, 305315), (269, 290560), (320, 244252), (454, 172160), (538, 145280), (640, 122126), (908, 86080), (1076, 72640), (1135, 68864), (1280, 61063), (1345, 58112), (1816, 43040), (2152, 36320), (2270, 34432), (2690, 29056), (3632, 21520), (4304, 18160), (4540, 17216), (5380, 14528), (7264, 10760), (8608, 9080)]