203415520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 288

約数和(自身を含む): 643507200

約数和(自身を除く): 440091680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 55, 56, 70, 76, 77, 79, 80, 88, 95, 110, 112, 121, 133, 140, 152, 154, 158, 160, 176, 190, 209, 220, 224, 242, 266, 280, 304, 308, 316, 352, 380, 385, 395, 418, 440, 484, 532, 553, 560, 605, 608, 616, 632, 665, 760, 770, 790, 836, 847, 869, 880, 968, 1045, 1064, 1106, 1120, 1210, 1232, 1264, 1330, 1463, 1501, 1520, 1540, 1580, 1672, 1694, 1738, 1760, 1936, 2090, 2128, 2212, 2299, 2420, 2464, 2528, 2660, 2765, 2926, 3002, 3040, 3080, 3160, 3344, 3388, 3476, 3872, 4180, 4235, 4256, 4345, 4424, 4598, 4840, 5320, 5530, 5852, 6004, 6083, 6160, 6320, 6688, 6776, 6952, 7315, 7505, 8360, 8470, 8690, 8848, 9196, 9559, 9680, 10507, 10640, 11060, 11495, 11704, 12008, 12166, 12320, 12640, 13552, 13904, 14630, 15010, 16093, 16511, 16720, 16940, 17380, 17696, 18392, 19118, 19360, 21014, 21280, 22120, 22990, 23408, 24016, 24332, 27104, 27808, 29260, 30020, 30415, 32186, 33022, 33440, 33880, 34760, 36784, 38236, 42028, 44240, 45980, 46816, 47795, 48032, 48664, 52535, 58520, 60040, 60830, 64372, 66044, 66913, 67760, 69520, 73568, 76472, 80465, 82555, 84056, 88480, 91960, 95590, 97328, 105070, 115577, 117040, 120080, 121660, 128744, 132088, 133826, 135520, 139040, 152944, 160930, 165110, 168112, 181621, 183920, 191180, 194656, 210140, 231154, 234080, 240160, 243320, 257488, 264176, 267652, 305888, 321860, 330220, 334565, 336224, 363242, 367840, 382360, 420280, 462308, 486640, 514976, 528352, 535304, 577885, 643720, 660440, 669130, 726484, 764720, 840560, 908105, 924616, 973280, 1070608, 1155770, 1271347, 1287440, 1320880, 1338260, 1452968, 1529440, 1681120, 1816210, 1849232, 2141216, 2311540, 2542694, 2574880, 2641760, 2676520, 2905936, 3632420, 3698464, 4623080, 5085388, 5353040, 5811872, 6356735, 7264840, 9246160, 10170776, 10706080, 12713470, 14529680, 18492320, 20341552, 25426940, 29059360, 40683104, 50853880, 101707760, 203415520]

約数ペア:

[(1, 203415520), (2, 101707760), (4, 50853880), (5, 40683104), (7, 29059360), (8, 25426940), (10, 20341552), (11, 18492320), (14, 14529680), (16, 12713470), (19, 10706080), (20, 10170776), (22, 9246160), (28, 7264840), (32, 6356735), (35, 5811872), (38, 5353040), (40, 5085388), (44, 4623080), (55, 3698464), (56, 3632420), (70, 2905936), (76, 2676520), (77, 2641760), (79, 2574880), (80, 2542694), (88, 2311540), (95, 2141216), (110, 1849232), (112, 1816210), (121, 1681120), (133, 1529440), (140, 1452968), (152, 1338260), (154, 1320880), (158, 1287440), (160, 1271347), (176, 1155770), (190, 1070608), (209, 973280), (220, 924616), (224, 908105), (242, 840560), (266, 764720), (280, 726484), (304, 669130), (308, 660440), (316, 643720), (352, 577885), (380, 535304), (385, 528352), (395, 514976), (418, 486640), (440, 462308), (484, 420280), (532, 382360), (553, 367840), (560, 363242), (605, 336224), (608, 334565), (616, 330220), (632, 321860), (665, 305888), (760, 267652), (770, 264176), (790, 257488), (836, 243320), (847, 240160), (869, 234080), (880, 231154), (968, 210140), (1045, 194656), (1064, 191180), (1106, 183920), (1120, 181621), (1210, 168112), (1232, 165110), (1264, 160930), (1330, 152944), (1463, 139040), (1501, 135520), (1520, 133826), (1540, 132088), (1580, 128744), (1672, 121660), (1694, 120080), (1738, 117040), (1760, 115577), (1936, 105070), (2090, 97328), (2128, 95590), (2212, 91960), (2299, 88480), (2420, 84056), (2464, 82555), (2528, 80465), (2660, 76472), (2765, 73568), (2926, 69520), (3002, 67760), (3040, 66913), (3080, 66044), (3160, 64372), (3344, 60830), (3388, 60040), (3476, 58520), (3872, 52535), (4180, 48664), (4235, 48032), (4256, 47795), (4345, 46816), (4424, 45980), (4598, 44240), (4840, 42028), (5320, 38236), (5530, 36784), (5852, 34760), (6004, 33880), (6083, 33440), (6160, 33022), (6320, 32186), (6688, 30415), (6776, 30020), (6952, 29260), (7315, 27808), (7505, 27104), (8360, 24332), (8470, 24016), (8690, 23408), (8848, 22990), (9196, 22120), (9559, 21280), (9680, 21014), (10507, 19360), (10640, 19118), (11060, 18392), (11495, 17696), (11704, 17380), (12008, 16940), (12166, 16720), (12320, 16511), (12640, 16093), (13552, 15010), (13904, 14630)]