215566680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{601}}^1$

素因数の和:690

約数の個数: 192

約数和(自身を含む): 765888480

約数和(自身を除く): 550321800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 61, 70, 84, 98, 105, 120, 122, 140, 147, 168, 183, 196, 210, 244, 245, 280, 294, 305, 366, 392, 420, 427, 488, 490, 588, 601, 610, 732, 735, 840, 854, 915, 980, 1176, 1202, 1220, 1281, 1464, 1470, 1708, 1803, 1830, 1960, 2135, 2404, 2440, 2562, 2940, 2989, 3005, 3416, 3606, 3660, 4207, 4270, 4808, 5124, 5880, 5978, 6010, 6405, 7212, 7320, 8414, 8540, 8967, 9015, 10248, 11956, 12020, 12621, 12810, 14424, 14945, 16828, 17080, 17934, 18030, 21035, 23912, 24040, 25242, 25620, 29449, 29890, 33656, 35868, 36060, 36661, 42070, 44835, 50484, 51240, 58898, 59780, 63105, 71736, 72120, 73322, 84140, 88347, 89670, 100968, 109983, 117796, 119560, 126210, 146644, 147245, 168280, 176694, 179340, 183305, 219966, 235592, 252420, 256627, 293288, 294490, 353388, 358680, 366610, 439932, 441735, 504840, 513254, 549915, 588980, 706776, 733220, 769881, 879864, 883470, 1026508, 1099830, 1177960, 1283135, 1466440, 1539762, 1766940, 1796389, 2053016, 2199660, 2566270, 3079524, 3533880, 3592778, 3849405, 4399320, 5132540, 5389167, 6159048, 7185556, 7698810, 8981945, 10265080, 10778334, 14371112, 15397620, 17963890, 21556668, 26945835, 30795240, 35927780, 43113336, 53891670, 71855560, 107783340, 215566680]

約数ペア:

[(1, 215566680), (2, 107783340), (3, 71855560), (4, 53891670), (5, 43113336), (6, 35927780), (7, 30795240), (8, 26945835), (10, 21556668), (12, 17963890), (14, 15397620), (15, 14371112), (20, 10778334), (21, 10265080), (24, 8981945), (28, 7698810), (30, 7185556), (35, 6159048), (40, 5389167), (42, 5132540), (49, 4399320), (56, 3849405), (60, 3592778), (61, 3533880), (70, 3079524), (84, 2566270), (98, 2199660), (105, 2053016), (120, 1796389), (122, 1766940), (140, 1539762), (147, 1466440), (168, 1283135), (183, 1177960), (196, 1099830), (210, 1026508), (244, 883470), (245, 879864), (280, 769881), (294, 733220), (305, 706776), (366, 588980), (392, 549915), (420, 513254), (427, 504840), (488, 441735), (490, 439932), (588, 366610), (601, 358680), (610, 353388), (732, 294490), (735, 293288), (840, 256627), (854, 252420), (915, 235592), (980, 219966), (1176, 183305), (1202, 179340), (1220, 176694), (1281, 168280), (1464, 147245), (1470, 146644), (1708, 126210), (1803, 119560), (1830, 117796), (1960, 109983), (2135, 100968), (2404, 89670), (2440, 88347), (2562, 84140), (2940, 73322), (2989, 72120), (3005, 71736), (3416, 63105), (3606, 59780), (3660, 58898), (4207, 51240), (4270, 50484), (4808, 44835), (5124, 42070), (5880, 36661), (5978, 36060), (6010, 35868), (6405, 33656), (7212, 29890), (7320, 29449), (8414, 25620), (8540, 25242), (8967, 24040), (9015, 23912), (10248, 21035), (11956, 18030), (12020, 17934), (12621, 17080), (12810, 16828), (14424, 14945)]