666080

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 1651104

約数和(自身を除く): 985024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 181, 184, 230, 362, 368, 460, 724, 736, 905, 920, 1448, 1810, 1840, 2896, 3620, 3680, 4163, 5792, 7240, 8326, 14480, 16652, 20815, 28960, 33304, 41630, 66608, 83260, 133216, 166520, 333040, 666080]

約数ペア:

[(1, 666080), (2, 333040), (4, 166520), (5, 133216), (8, 83260), (10, 66608), (16, 41630), (20, 33304), (23, 28960), (32, 20815), (40, 16652), (46, 14480), (80, 8326), (92, 7240), (115, 5792), (160, 4163), (181, 3680), (184, 3620), (230, 2896), (362, 1840), (368, 1810), (460, 1448), (724, 920), (736, 905)]