1201520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:689

約数の個数: 40

約数和(自身を含む): 2919456

約数和(自身を除く): 1717936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 653, 920, 1306, 1840, 2612, 3265, 5224, 6530, 10448, 13060, 15019, 26120, 30038, 52240, 60076, 75095, 120152, 150190, 240304, 300380, 600760, 1201520]

約数ペア:

[(1, 1201520), (2, 600760), (4, 300380), (5, 240304), (8, 150190), (10, 120152), (16, 75095), (20, 60076), (23, 52240), (40, 30038), (46, 26120), (80, 15019), (92, 13060), (115, 10448), (184, 6530), (230, 5224), (368, 3265), (460, 2612), (653, 1840), (920, 1306)]