216474160

素因数分解:

$2^4\times 5^1\times 7^6\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 140

約数和(自身を含む): 612715248

約数和(自身を除く): 396241088

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, 343, 368, 392, 460, 490, 560, 644, 686, 784, 805, 920, 980, 1127, 1288, 1372, 1610, 1715, 1840, 1960, 2254, 2401, 2576, 2744, 3220, 3430, 3920, 4508, 4802, 5488, 5635, 6440, 6860, 7889, 9016, 9604, 11270, 12005, 12880, 13720, 15778, 16807, 18032, 19208, 22540, 24010, 27440, 31556, 33614, 38416, 39445, 45080, 48020, 55223, 63112, 67228, 78890, 84035, 90160, 96040, 110446, 117649, 126224, 134456, 157780, 168070, 192080, 220892, 235298, 268912, 276115, 315560, 336140, 386561, 441784, 470596, 552230, 588245, 631120, 672280, 773122, 883568, 941192, 1104460, 1176490, 1344560, 1546244, 1882384, 1932805, 2208920, 2352980, 2705927, 3092488, 3865610, 4417840, 4705960, 5411854, 6184976, 7731220, 9411920, 10823708, 13529635, 15462440, 21647416, 27059270, 30924880, 43294832, 54118540, 108237080, 216474160]

約数ペア:

[(1, 216474160), (2, 108237080), (4, 54118540), (5, 43294832), (7, 30924880), (8, 27059270), (10, 21647416), (14, 15462440), (16, 13529635), (20, 10823708), (23, 9411920), (28, 7731220), (35, 6184976), (40, 5411854), (46, 4705960), (49, 4417840), (56, 3865610), (70, 3092488), (80, 2705927), (92, 2352980), (98, 2208920), (112, 1932805), (115, 1882384), (140, 1546244), (161, 1344560), (184, 1176490), (196, 1104460), (230, 941192), (245, 883568), (280, 773122), (322, 672280), (343, 631120), (368, 588245), (392, 552230), (460, 470596), (490, 441784), (560, 386561), (644, 336140), (686, 315560), (784, 276115), (805, 268912), (920, 235298), (980, 220892), (1127, 192080), (1288, 168070), (1372, 157780), (1610, 134456), (1715, 126224), (1840, 117649), (1960, 110446), (2254, 96040), (2401, 90160), (2576, 84035), (2744, 78890), (3220, 67228), (3430, 63112), (3920, 55223), (4508, 48020), (4802, 45080), (5488, 39445), (5635, 38416), (6440, 33614), (6860, 31556), (7889, 27440), (9016, 24010), (9604, 22540), (11270, 19208), (12005, 18032), (12880, 16807), (13720, 15778)]