128590960

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 307542816

約数和(自身を除く): 178951856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 97, 146, 194, 227, 292, 365, 388, 454, 485, 584, 730, 776, 908, 970, 1135, 1168, 1460, 1552, 1816, 1940, 2270, 2920, 3632, 3880, 4540, 5840, 7081, 7760, 9080, 14162, 16571, 18160, 22019, 28324, 33142, 35405, 44038, 56648, 66284, 70810, 82855, 88076, 110095, 113296, 132568, 141620, 165710, 176152, 220190, 265136, 283240, 331420, 352304, 440380, 566480, 662840, 880760, 1325680, 1607387, 1761520, 3214774, 6429548, 8036935, 12859096, 16073870, 25718192, 32147740, 64295480, 128590960]

約数ペア:

[(1, 128590960), (2, 64295480), (4, 32147740), (5, 25718192), (8, 16073870), (10, 12859096), (16, 8036935), (20, 6429548), (40, 3214774), (73, 1761520), (80, 1607387), (97, 1325680), (146, 880760), (194, 662840), (227, 566480), (292, 440380), (365, 352304), (388, 331420), (454, 283240), (485, 265136), (584, 220190), (730, 176152), (776, 165710), (908, 141620), (970, 132568), (1135, 113296), (1168, 110095), (1460, 88076), (1552, 82855), (1816, 70810), (1940, 66284), (2270, 56648), (2920, 44038), (3632, 35405), (3880, 33142), (4540, 28324), (5840, 22019), (7081, 18160), (7760, 16571), (9080, 14162)]