30311240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 72783360

約数和(自身を除く): 42472120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 376, 460, 470, 701, 920, 940, 1081, 1402, 1880, 2162, 2804, 3505, 4324, 5405, 5608, 7010, 8648, 10810, 14020, 16123, 21620, 28040, 32246, 32947, 43240, 64492, 65894, 80615, 128984, 131788, 161230, 164735, 263576, 322460, 329470, 644920, 658940, 757781, 1317880, 1515562, 3031124, 3788905, 6062248, 7577810, 15155620, 30311240]

約数ペア:

[(1, 30311240), (2, 15155620), (4, 7577810), (5, 6062248), (8, 3788905), (10, 3031124), (20, 1515562), (23, 1317880), (40, 757781), (46, 658940), (47, 644920), (92, 329470), (94, 322460), (115, 263576), (184, 164735), (188, 161230), (230, 131788), (235, 128984), (376, 80615), (460, 65894), (470, 64492), (701, 43240), (920, 32947), (940, 32246), (1081, 28040), (1402, 21620), (1880, 16123), (2162, 14020), (2804, 10810), (3505, 8648), (4324, 7010), (5405, 5608)]