7326280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 18088560

約数和(自身を除く): 10762280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 193, 260, 292, 365, 386, 520, 584, 730, 772, 949, 965, 1460, 1544, 1898, 1930, 2509, 2920, 3796, 3860, 4745, 5018, 7592, 7720, 9490, 10036, 12545, 14089, 18980, 20072, 25090, 28178, 37960, 50180, 56356, 70445, 100360, 112712, 140890, 183157, 281780, 366314, 563560, 732628, 915785, 1465256, 1831570, 3663140, 7326280]

約数ペア:

[(1, 7326280), (2, 3663140), (4, 1831570), (5, 1465256), (8, 915785), (10, 732628), (13, 563560), (20, 366314), (26, 281780), (40, 183157), (52, 140890), (65, 112712), (73, 100360), (104, 70445), (130, 56356), (146, 50180), (193, 37960), (260, 28178), (292, 25090), (365, 20072), (386, 18980), (520, 14089), (584, 12545), (730, 10036), (772, 9490), (949, 7720), (965, 7592), (1460, 5018), (1544, 4745), (1898, 3860), (1930, 3796), (2509, 2920)]