131755120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 240

約数和(自身を含む): 394394400

約数和(自身を除く): 262639280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 29, 35, 38, 40, 49, 56, 58, 61, 70, 76, 80, 95, 98, 112, 116, 122, 133, 140, 145, 152, 190, 196, 203, 232, 244, 245, 266, 280, 290, 304, 305, 380, 392, 406, 427, 464, 488, 490, 532, 551, 560, 580, 610, 665, 760, 784, 812, 854, 931, 976, 980, 1015, 1064, 1102, 1159, 1160, 1220, 1330, 1421, 1520, 1624, 1708, 1769, 1862, 1960, 2030, 2128, 2135, 2204, 2318, 2320, 2440, 2660, 2755, 2842, 2989, 3248, 3416, 3538, 3724, 3857, 3920, 4060, 4270, 4408, 4636, 4655, 4880, 5320, 5510, 5684, 5795, 5978, 6832, 7076, 7105, 7448, 7714, 8113, 8120, 8540, 8816, 8845, 9272, 9310, 10640, 11020, 11368, 11590, 11956, 12383, 14152, 14210, 14896, 14945, 15428, 16226, 16240, 17080, 17690, 18544, 18620, 19285, 22040, 22736, 23180, 23912, 24766, 26999, 28304, 28420, 29890, 30856, 32452, 33611, 34160, 35380, 37240, 38570, 40565, 44080, 46360, 47824, 49532, 53998, 56791, 56840, 59780, 61712, 61915, 64904, 67222, 70760, 74480, 77140, 81130, 86681, 92720, 99064, 107996, 113582, 113680, 119560, 123830, 129808, 134444, 134995, 141520, 154280, 162260, 168055, 173362, 198128, 215992, 227164, 235277, 239120, 247660, 268888, 269990, 283955, 308560, 324520, 336110, 346724, 431984, 433405, 454328, 470554, 495320, 537776, 539980, 567910, 649040, 672220, 693448, 866810, 908656, 941108, 990640, 1079960, 1135820, 1176385, 1344440, 1386896, 1646939, 1733620, 1882216, 2159920, 2271640, 2352770, 2688880, 3293878, 3467240, 3764432, 4543280, 4705540, 6587756, 6934480, 8234695, 9411080, 13175512, 16469390, 18822160, 26351024, 32938780, 65877560, 131755120]

約数ペア:

[(1, 131755120), (2, 65877560), (4, 32938780), (5, 26351024), (7, 18822160), (8, 16469390), (10, 13175512), (14, 9411080), (16, 8234695), (19, 6934480), (20, 6587756), (28, 4705540), (29, 4543280), (35, 3764432), (38, 3467240), (40, 3293878), (49, 2688880), (56, 2352770), (58, 2271640), (61, 2159920), (70, 1882216), (76, 1733620), (80, 1646939), (95, 1386896), (98, 1344440), (112, 1176385), (116, 1135820), (122, 1079960), (133, 990640), (140, 941108), (145, 908656), (152, 866810), (190, 693448), (196, 672220), (203, 649040), (232, 567910), (244, 539980), (245, 537776), (266, 495320), (280, 470554), (290, 454328), (304, 433405), (305, 431984), (380, 346724), (392, 336110), (406, 324520), (427, 308560), (464, 283955), (488, 269990), (490, 268888), (532, 247660), (551, 239120), (560, 235277), (580, 227164), (610, 215992), (665, 198128), (760, 173362), (784, 168055), (812, 162260), (854, 154280), (931, 141520), (976, 134995), (980, 134444), (1015, 129808), (1064, 123830), (1102, 119560), (1159, 113680), (1160, 113582), (1220, 107996), (1330, 99064), (1421, 92720), (1520, 86681), (1624, 81130), (1708, 77140), (1769, 74480), (1862, 70760), (1960, 67222), (2030, 64904), (2128, 61915), (2135, 61712), (2204, 59780), (2318, 56840), (2320, 56791), (2440, 53998), (2660, 49532), (2755, 47824), (2842, 46360), (2989, 44080), (3248, 40565), (3416, 38570), (3538, 37240), (3724, 35380), (3857, 34160), (3920, 33611), (4060, 32452), (4270, 30856), (4408, 29890), (4636, 28420), (4655, 28304), (4880, 26999), (5320, 24766), (5510, 23912), (5684, 23180), (5795, 22736), (5978, 22040), (6832, 19285), (7076, 18620), (7105, 18544), (7448, 17690), (7714, 17080), (8113, 16240), (8120, 16226), (8540, 15428), (8816, 14945), (8845, 14896), (9272, 14210), (9310, 14152), (10640, 12383), (11020, 11956), (11368, 11590)]