27731560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 66718080

約数和(自身を除く): 38986520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 701, 860, 920, 989, 1402, 1720, 1978, 2804, 3505, 3956, 4945, 5608, 7010, 7912, 9890, 14020, 16123, 19780, 28040, 30143, 32246, 39560, 60286, 64492, 80615, 120572, 128984, 150715, 161230, 241144, 301430, 322460, 602860, 644920, 693289, 1205720, 1386578, 2773156, 3466445, 5546312, 6932890, 13865780, 27731560]

約数ペア:

[(1, 27731560), (2, 13865780), (4, 6932890), (5, 5546312), (8, 3466445), (10, 2773156), (20, 1386578), (23, 1205720), (40, 693289), (43, 644920), (46, 602860), (86, 322460), (92, 301430), (115, 241144), (172, 161230), (184, 150715), (215, 128984), (230, 120572), (344, 80615), (430, 64492), (460, 60286), (701, 39560), (860, 32246), (920, 30143), (989, 28040), (1402, 19780), (1720, 16123), (1978, 14020), (2804, 9890), (3505, 7912), (3956, 7010), (4945, 5608)]