1815691040

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{155453}}^1$

素因数の和:155541

約数の個数: 48

約数和(自身を含む): 4348359288

約数和(自身を除く): 2532668248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 2336, 2920, 5840, 11680, 155453, 310906, 621812, 777265, 1243624, 1554530, 2487248, 3109060, 4974496, 6218120, 11348069, 12436240, 22696138, 24872480, 45392276, 56740345, 90784552, 113480690, 181569104, 226961380, 363138208, 453922760, 907845520, 1815691040]

約数ペア:

[(1, 1815691040), (2, 907845520), (4, 453922760), (5, 363138208), (8, 226961380), (10, 181569104), (16, 113480690), (20, 90784552), (32, 56740345), (40, 45392276), (73, 24872480), (80, 22696138), (146, 12436240), (160, 11348069), (292, 6218120), (365, 4974496), (584, 3109060), (730, 2487248), (1168, 1554530), (1460, 1243624), (2336, 777265), (2920, 621812), (5840, 310906), (11680, 155453)]