204547280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15881}}^1$

素因数の和:15924

約数の個数: 80

約数和(自身を含む): 567177984

約数和(自身を除く): 362630704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 15881, 31762, 63524, 79405, 111167, 127048, 158810, 222334, 254096, 317620, 365263, 444668, 555835, 635240, 730526, 889336, 1111670, 1270480, 1461052, 1778672, 1826315, 2223340, 2556841, 2922104, 3652630, 4446680, 5113682, 5844208, 7305260, 8893360, 10227364, 12784205, 14610520, 20454728, 25568410, 29221040, 40909456, 51136820, 102273640, 204547280]

約数ペア:

[(1, 204547280), (2, 102273640), (4, 51136820), (5, 40909456), (7, 29221040), (8, 25568410), (10, 20454728), (14, 14610520), (16, 12784205), (20, 10227364), (23, 8893360), (28, 7305260), (35, 5844208), (40, 5113682), (46, 4446680), (56, 3652630), (70, 2922104), (80, 2556841), (92, 2223340), (112, 1826315), (115, 1778672), (140, 1461052), (161, 1270480), (184, 1111670), (230, 889336), (280, 730526), (322, 635240), (368, 555835), (460, 444668), (560, 365263), (644, 317620), (805, 254096), (920, 222334), (1288, 158810), (1610, 127048), (1840, 111167), (2576, 79405), (3220, 63524), (6440, 31762), (12880, 15881)]