18551451520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^3\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 256

約数和(自身を含む): 52751462400

約数和(自身を除く): 34200010880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 139, 140, 155, 160, 217, 224, 248, 278, 280, 310, 320, 434, 448, 496, 556, 560, 620, 640, 695, 868, 896, 961, 973, 992, 1085, 1112, 1120, 1240, 1390, 1736, 1922, 1946, 1984, 2170, 2224, 2240, 2480, 2780, 3472, 3844, 3892, 3968, 4309, 4340, 4448, 4480, 4805, 4865, 4960, 5560, 6727, 6944, 7688, 7784, 8618, 8680, 8896, 9610, 9730, 9920, 11120, 13454, 13888, 15376, 15568, 17236, 17360, 17792, 19220, 19460, 19840, 21545, 22240, 26908, 27776, 29791, 30163, 30752, 31136, 33635, 34472, 34720, 38440, 38920, 43090, 44480, 53816, 59582, 60326, 61504, 62272, 67270, 68944, 69440, 76880, 77840, 86180, 88960, 107632, 119164, 120652, 123008, 124544, 133579, 134540, 137888, 138880, 148955, 150815, 153760, 155680, 172360, 208537, 215264, 238328, 241304, 267158, 269080, 275776, 297910, 301630, 307520, 311360, 344720, 417074, 430528, 476656, 482608, 534316, 538160, 551552, 595820, 603260, 615040, 622720, 667895, 689440, 834148, 861056, 935053, 953312, 965216, 1042685, 1068632, 1076320, 1191640, 1206520, 1335790, 1378880, 1668296, 1870106, 1906624, 1930432, 2085370, 2137264, 2152640, 2383280, 2413040, 2671580, 2757760, 3336592, 3740212, 3813248, 3860864, 4140949, 4170740, 4274528, 4305280, 4675265, 4766560, 4826080, 5343160, 6673184, 7480424, 8281898, 8341480, 8549056, 9350530, 9533120, 9652160, 10686320, 13346368, 14960848, 16563796, 16682960, 17098112, 18701060, 19066240, 19304320, 20704745, 21372640, 26692736, 28986643, 29921696, 33127592, 33365920, 37402120, 41409490, 42745280, 57973286, 59843392, 66255184, 66731840, 74804240, 82818980, 85490560, 115946572, 119686784, 132510368, 133463680, 144933215, 149608480, 165637960, 231893144, 265020736, 289866430, 299216960, 331275920, 463786288, 530041472, 579732860, 598433920, 662551840, 927572576, 1159465720, 1325103680, 1855145152, 2318931440, 2650207360, 3710290304, 4637862880, 9275725760, 18551451520]

約数ペア:

[(1, 18551451520), (2, 9275725760), (4, 4637862880), (5, 3710290304), (7, 2650207360), (8, 2318931440), (10, 1855145152), (14, 1325103680), (16, 1159465720), (20, 927572576), (28, 662551840), (31, 598433920), (32, 579732860), (35, 530041472), (40, 463786288), (56, 331275920), (62, 299216960), (64, 289866430), (70, 265020736), (80, 231893144), (112, 165637960), (124, 149608480), (128, 144933215), (139, 133463680), (140, 132510368), (155, 119686784), (160, 115946572), (217, 85490560), (224, 82818980), (248, 74804240), (278, 66731840), (280, 66255184), (310, 59843392), (320, 57973286), (434, 42745280), (448, 41409490), (496, 37402120), (556, 33365920), (560, 33127592), (620, 29921696), (640, 28986643), (695, 26692736), (868, 21372640), (896, 20704745), (961, 19304320), (973, 19066240), (992, 18701060), (1085, 17098112), (1112, 16682960), (1120, 16563796), (1240, 14960848), (1390, 13346368), (1736, 10686320), (1922, 9652160), (1946, 9533120), (1984, 9350530), (2170, 8549056), (2224, 8341480), (2240, 8281898), (2480, 7480424), (2780, 6673184), (3472, 5343160), (3844, 4826080), (3892, 4766560), (3968, 4675265), (4309, 4305280), (4340, 4274528), (4448, 4170740), (4480, 4140949), (4805, 3860864), (4865, 3813248), (4960, 3740212), (5560, 3336592), (6727, 2757760), (6944, 2671580), (7688, 2413040), (7784, 2383280), (8618, 2152640), (8680, 2137264), (8896, 2085370), (9610, 1930432), (9730, 1906624), (9920, 1870106), (11120, 1668296), (13454, 1378880), (13888, 1335790), (15376, 1206520), (15568, 1191640), (17236, 1076320), (17360, 1068632), (17792, 1042685), (19220, 965216), (19460, 953312), (19840, 935053), (21545, 861056), (22240, 834148), (26908, 689440), (27776, 667895), (29791, 622720), (30163, 615040), (30752, 603260), (31136, 595820), (33635, 551552), (34472, 538160), (34720, 534316), (38440, 482608), (38920, 476656), (43090, 430528), (44480, 417074), (53816, 344720), (59582, 311360), (60326, 307520), (61504, 301630), (62272, 297910), (67270, 275776), (68944, 269080), (69440, 267158), (76880, 241304), (77840, 238328), (86180, 215264), (88960, 208537), (107632, 172360), (119164, 155680), (120652, 153760), (123008, 150815), (124544, 148955), (133579, 138880), (134540, 137888)]