17980480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:396

約数の個数: 112

約数和(自身を含む): 51206400

約数和(自身を除く): 33225920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 349, 368, 448, 460, 560, 644, 698, 736, 805, 920, 1120, 1288, 1396, 1472, 1610, 1745, 1840, 2240, 2443, 2576, 2792, 3220, 3490, 3680, 4886, 5152, 5584, 6440, 6980, 7360, 8027, 9772, 10304, 11168, 12215, 12880, 13960, 16054, 19544, 22336, 24430, 25760, 27920, 32108, 39088, 40135, 48860, 51520, 55840, 56189, 64216, 78176, 80270, 97720, 111680, 112378, 128432, 156352, 160540, 195440, 224756, 256864, 280945, 321080, 390880, 449512, 513728, 561890, 642160, 781760, 899024, 1123780, 1284320, 1798048, 2247560, 2568640, 3596096, 4495120, 8990240, 17980480]

約数ペア:

[(1, 17980480), (2, 8990240), (4, 4495120), (5, 3596096), (7, 2568640), (8, 2247560), (10, 1798048), (14, 1284320), (16, 1123780), (20, 899024), (23, 781760), (28, 642160), (32, 561890), (35, 513728), (40, 449512), (46, 390880), (56, 321080), (64, 280945), (70, 256864), (80, 224756), (92, 195440), (112, 160540), (115, 156352), (140, 128432), (160, 112378), (161, 111680), (184, 97720), (224, 80270), (230, 78176), (280, 64216), (320, 56189), (322, 55840), (349, 51520), (368, 48860), (448, 40135), (460, 39088), (560, 32108), (644, 27920), (698, 25760), (736, 24430), (805, 22336), (920, 19544), (1120, 16054), (1288, 13960), (1396, 12880), (1472, 12215), (1610, 11168), (1745, 10304), (1840, 9772), (2240, 8027), (2443, 7360), (2576, 6980), (2792, 6440), (3220, 5584), (3490, 5152), (3680, 4886)]