168328720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1867}}^1$

素因数の和:1917

約数の個数: 120

約数和(自身を含む): 475308864

約数和(自身を除く): 306980144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 784, 805, 920, 980, 1127, 1288, 1610, 1840, 1867, 1960, 2254, 2576, 3220, 3734, 3920, 4508, 5635, 6440, 7468, 9016, 9335, 11270, 12880, 13069, 14936, 18032, 18670, 22540, 26138, 29872, 37340, 42941, 45080, 52276, 65345, 74680, 85882, 90160, 91483, 104552, 130690, 149360, 171764, 182966, 209104, 214705, 261380, 300587, 343528, 365932, 429410, 457415, 522760, 601174, 687056, 731864, 858820, 914830, 1045520, 1202348, 1463728, 1502935, 1717640, 1829660, 2104109, 2404696, 3005870, 3435280, 3659320, 4208218, 4809392, 6011740, 7318640, 8416436, 10520545, 12023480, 16832872, 21041090, 24046960, 33665744, 42082180, 84164360, 168328720]

約数ペア:

[(1, 168328720), (2, 84164360), (4, 42082180), (5, 33665744), (7, 24046960), (8, 21041090), (10, 16832872), (14, 12023480), (16, 10520545), (20, 8416436), (23, 7318640), (28, 6011740), (35, 4809392), (40, 4208218), (46, 3659320), (49, 3435280), (56, 3005870), (70, 2404696), (80, 2104109), (92, 1829660), (98, 1717640), (112, 1502935), (115, 1463728), (140, 1202348), (161, 1045520), (184, 914830), (196, 858820), (230, 731864), (245, 687056), (280, 601174), (322, 522760), (368, 457415), (392, 429410), (460, 365932), (490, 343528), (560, 300587), (644, 261380), (784, 214705), (805, 209104), (920, 182966), (980, 171764), (1127, 149360), (1288, 130690), (1610, 104552), (1840, 91483), (1867, 90160), (1960, 85882), (2254, 74680), (2576, 65345), (3220, 52276), (3734, 45080), (3920, 42941), (4508, 37340), (5635, 29872), (6440, 26138), (7468, 22540), (9016, 18670), (9335, 18032), (11270, 14936), (12880, 13069)]