1284320

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 3175200

約数和(自身を除く): 1890880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 349, 368, 460, 698, 736, 920, 1396, 1745, 1840, 2792, 3490, 3680, 5584, 6980, 8027, 11168, 13960, 16054, 27920, 32108, 40135, 55840, 64216, 80270, 128432, 160540, 256864, 321080, 642160, 1284320]

約数ペア:

[(1, 1284320), (2, 642160), (4, 321080), (5, 256864), (8, 160540), (10, 128432), (16, 80270), (20, 64216), (23, 55840), (32, 40135), (40, 32108), (46, 27920), (80, 16054), (92, 13960), (115, 11168), (160, 8027), (184, 6980), (230, 5584), (349, 3680), (368, 3490), (460, 2792), (698, 1840), (736, 1745), (920, 1396)]