17770720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:488

約数の個数: 96

約数和(自身を含む): 47900160

約数和(自身を除く): 30129440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 80, 88, 92, 110, 115, 160, 176, 184, 220, 230, 253, 352, 368, 439, 440, 460, 506, 736, 878, 880, 920, 1012, 1265, 1756, 1760, 1840, 2024, 2195, 2530, 3512, 3680, 4048, 4390, 4829, 5060, 7024, 8096, 8780, 9658, 10097, 10120, 14048, 17560, 19316, 20194, 20240, 24145, 35120, 38632, 40388, 40480, 48290, 50485, 70240, 77264, 80776, 96580, 100970, 111067, 154528, 161552, 193160, 201940, 222134, 323104, 386320, 403880, 444268, 555335, 772640, 807760, 888536, 1110670, 1615520, 1777072, 2221340, 3554144, 4442680, 8885360, 17770720]

約数ペア:

[(1, 17770720), (2, 8885360), (4, 4442680), (5, 3554144), (8, 2221340), (10, 1777072), (11, 1615520), (16, 1110670), (20, 888536), (22, 807760), (23, 772640), (32, 555335), (40, 444268), (44, 403880), (46, 386320), (55, 323104), (80, 222134), (88, 201940), (92, 193160), (110, 161552), (115, 154528), (160, 111067), (176, 100970), (184, 96580), (220, 80776), (230, 77264), (253, 70240), (352, 50485), (368, 48290), (439, 40480), (440, 40388), (460, 38632), (506, 35120), (736, 24145), (878, 20240), (880, 20194), (920, 19316), (1012, 17560), (1265, 14048), (1756, 10120), (1760, 10097), (1840, 9658), (2024, 8780), (2195, 8096), (2530, 7024), (3512, 5060), (3680, 4829), (4048, 4390)]