218238480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4969}}^1$

素因数の和:5049

約数の個数: 120

約数和(自身を含む): 745082520

約数和(自身を除く): 526844040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 4969, 5490, 7320, 8784, 9938, 10980, 14640, 14907, 19876, 21960, 24845, 29814, 39752, 43920, 44721, 49690, 59628, 74535, 79504, 89442, 99380, 119256, 149070, 178884, 198760, 223605, 238512, 298140, 303109, 357768, 397520, 447210, 596280, 606218, 715536, 894420, 909327, 1192560, 1212436, 1515545, 1788840, 1818654, 2424872, 2727981, 3031090, 3577680, 3637308, 4546635, 4849744, 5455962, 6062180, 7274616, 9093270, 10911924, 12124360, 13639905, 14549232, 18186540, 21823848, 24248720, 27279810, 36373080, 43647696, 54559620, 72746160, 109119240, 218238480]

約数ペア:

[(1, 218238480), (2, 109119240), (3, 72746160), (4, 54559620), (5, 43647696), (6, 36373080), (8, 27279810), (9, 24248720), (10, 21823848), (12, 18186540), (15, 14549232), (16, 13639905), (18, 12124360), (20, 10911924), (24, 9093270), (30, 7274616), (36, 6062180), (40, 5455962), (45, 4849744), (48, 4546635), (60, 3637308), (61, 3577680), (72, 3031090), (80, 2727981), (90, 2424872), (120, 1818654), (122, 1788840), (144, 1515545), (180, 1212436), (183, 1192560), (240, 909327), (244, 894420), (305, 715536), (360, 606218), (366, 596280), (488, 447210), (549, 397520), (610, 357768), (720, 303109), (732, 298140), (915, 238512), (976, 223605), (1098, 198760), (1220, 178884), (1464, 149070), (1830, 119256), (2196, 99380), (2440, 89442), (2745, 79504), (2928, 74535), (3660, 59628), (4392, 49690), (4880, 44721), (4969, 43920), (5490, 39752), (7320, 29814), (8784, 24845), (9938, 21960), (10980, 19876), (14640, 14907)]