220050180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:499

約数の個数: 216

約数和(自身を含む): 791121240

約数和(自身を除く): 571071060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 61, 63, 70, 84, 90, 98, 105, 122, 126, 140, 147, 180, 183, 196, 210, 244, 245, 252, 294, 305, 315, 366, 409, 420, 427, 441, 490, 549, 588, 610, 630, 732, 735, 818, 854, 882, 915, 980, 1098, 1220, 1227, 1260, 1281, 1470, 1636, 1708, 1764, 1830, 2045, 2135, 2196, 2205, 2454, 2562, 2745, 2863, 2940, 2989, 3660, 3681, 3843, 4090, 4270, 4410, 4908, 5124, 5490, 5726, 5978, 6135, 6405, 7362, 7686, 8180, 8540, 8589, 8820, 8967, 10980, 11452, 11956, 12270, 12810, 14315, 14724, 14945, 15372, 17178, 17934, 18405, 19215, 20041, 24540, 24949, 25620, 25767, 26901, 28630, 29890, 34356, 35868, 36810, 38430, 40082, 42945, 44835, 49898, 51534, 53802, 57260, 59780, 60123, 73620, 74847, 76860, 80164, 85890, 89670, 99796, 100205, 103068, 107604, 120246, 124745, 128835, 134505, 149694, 171780, 174643, 179340, 180369, 200410, 224541, 240492, 249490, 257670, 269010, 299388, 300615, 349286, 360738, 374235, 400820, 449082, 498980, 515340, 523929, 538020, 601230, 698572, 721476, 748470, 873215, 898164, 901845, 1047858, 1122705, 1202460, 1222501, 1496940, 1571787, 1746430, 1803690, 2095716, 2245410, 2445002, 2619645, 3143574, 3492860, 3607380, 3667503, 4490820, 4890004, 5239290, 6112505, 6287148, 7335006, 7858935, 10478580, 11002509, 12225010, 14670012, 15717870, 18337515, 22005018, 24450020, 31435740, 36675030, 44010036, 55012545, 73350060, 110025090, 220050180]

約数ペア:

[(1, 220050180), (2, 110025090), (3, 73350060), (4, 55012545), (5, 44010036), (6, 36675030), (7, 31435740), (9, 24450020), (10, 22005018), (12, 18337515), (14, 15717870), (15, 14670012), (18, 12225010), (20, 11002509), (21, 10478580), (28, 7858935), (30, 7335006), (35, 6287148), (36, 6112505), (42, 5239290), (45, 4890004), (49, 4490820), (60, 3667503), (61, 3607380), (63, 3492860), (70, 3143574), (84, 2619645), (90, 2445002), (98, 2245410), (105, 2095716), (122, 1803690), (126, 1746430), (140, 1571787), (147, 1496940), (180, 1222501), (183, 1202460), (196, 1122705), (210, 1047858), (244, 901845), (245, 898164), (252, 873215), (294, 748470), (305, 721476), (315, 698572), (366, 601230), (409, 538020), (420, 523929), (427, 515340), (441, 498980), (490, 449082), (549, 400820), (588, 374235), (610, 360738), (630, 349286), (732, 300615), (735, 299388), (818, 269010), (854, 257670), (882, 249490), (915, 240492), (980, 224541), (1098, 200410), (1220, 180369), (1227, 179340), (1260, 174643), (1281, 171780), (1470, 149694), (1636, 134505), (1708, 128835), (1764, 124745), (1830, 120246), (2045, 107604), (2135, 103068), (2196, 100205), (2205, 99796), (2454, 89670), (2562, 85890), (2745, 80164), (2863, 76860), (2940, 74847), (2989, 73620), (3660, 60123), (3681, 59780), (3843, 57260), (4090, 53802), (4270, 51534), (4410, 49898), (4908, 44835), (5124, 42945), (5490, 40082), (5726, 38430), (5978, 36810), (6135, 35868), (6405, 34356), (7362, 29890), (7686, 28630), (8180, 26901), (8540, 25767), (8589, 25620), (8820, 24949), (8967, 24540), (10980, 20041), (11452, 19215), (11956, 18405), (12270, 17934), (12810, 17178), (14315, 15372), (14724, 14945)]