19718385280

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1637}}^1$

素因数の和:1755

約数の個数: 256

約数和(自身を含む): 54132624000

約数和(自身を除く): 34414238720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 59, 64, 80, 88, 110, 116, 118, 128, 145, 160, 176, 220, 232, 236, 290, 295, 319, 320, 352, 440, 464, 472, 580, 590, 638, 640, 649, 704, 880, 928, 944, 1160, 1180, 1276, 1298, 1408, 1595, 1637, 1711, 1760, 1856, 1888, 2320, 2360, 2552, 2596, 3190, 3245, 3274, 3422, 3520, 3712, 3776, 4640, 4720, 5104, 5192, 6380, 6490, 6548, 6844, 7040, 7552, 8185, 8555, 9280, 9440, 10208, 10384, 12760, 12980, 13096, 13688, 16370, 17110, 18007, 18560, 18821, 18880, 20416, 20768, 25520, 25960, 26192, 27376, 32740, 34220, 36014, 37642, 37760, 40832, 41536, 47473, 51040, 51920, 52384, 54752, 65480, 68440, 72028, 75284, 83072, 90035, 94105, 94946, 96583, 102080, 103840, 104768, 109504, 130960, 136880, 144056, 150568, 180070, 188210, 189892, 193166, 204160, 207680, 209536, 219008, 237365, 261920, 273760, 288112, 301136, 360140, 376420, 379784, 386332, 415360, 474730, 482915, 522203, 523840, 547520, 576224, 602272, 720280, 752840, 759568, 772664, 949460, 965830, 1044406, 1047680, 1062413, 1095040, 1152448, 1204544, 1440560, 1505680, 1519136, 1545328, 1898920, 1931660, 2088812, 2124826, 2304896, 2409088, 2611015, 2800907, 2881120, 3011360, 3038272, 3090656, 3797840, 3863320, 4177624, 4249652, 5222030, 5312065, 5601814, 5762240, 6022720, 6076544, 6181312, 7595680, 7726640, 8355248, 8499304, 10444060, 10624130, 11203628, 11524480, 12045440, 12362624, 14004535, 15191360, 15453280, 16710496, 16998608, 20888120, 21248260, 22407256, 28009070, 30382720, 30809977, 30906560, 33420992, 33997216, 41776240, 42496520, 44814512, 56018140, 61619954, 61813120, 66841984, 67994432, 83552480, 84993040, 89629024, 112036280, 123239908, 135988864, 154049885, 167104960, 169986080, 179258048, 224072560, 246479816, 308099770, 334209920, 339972160, 358516096, 448145120, 492959632, 616199540, 679944320, 896290240, 985919264, 1232399080, 1792580480, 1971838528, 2464798160, 3943677056, 4929596320, 9859192640, 19718385280]

約数ペア:

[(1, 19718385280), (2, 9859192640), (4, 4929596320), (5, 3943677056), (8, 2464798160), (10, 1971838528), (11, 1792580480), (16, 1232399080), (20, 985919264), (22, 896290240), (29, 679944320), (32, 616199540), (40, 492959632), (44, 448145120), (55, 358516096), (58, 339972160), (59, 334209920), (64, 308099770), (80, 246479816), (88, 224072560), (110, 179258048), (116, 169986080), (118, 167104960), (128, 154049885), (145, 135988864), (160, 123239908), (176, 112036280), (220, 89629024), (232, 84993040), (236, 83552480), (290, 67994432), (295, 66841984), (319, 61813120), (320, 61619954), (352, 56018140), (440, 44814512), (464, 42496520), (472, 41776240), (580, 33997216), (590, 33420992), (638, 30906560), (640, 30809977), (649, 30382720), (704, 28009070), (880, 22407256), (928, 21248260), (944, 20888120), (1160, 16998608), (1180, 16710496), (1276, 15453280), (1298, 15191360), (1408, 14004535), (1595, 12362624), (1637, 12045440), (1711, 11524480), (1760, 11203628), (1856, 10624130), (1888, 10444060), (2320, 8499304), (2360, 8355248), (2552, 7726640), (2596, 7595680), (3190, 6181312), (3245, 6076544), (3274, 6022720), (3422, 5762240), (3520, 5601814), (3712, 5312065), (3776, 5222030), (4640, 4249652), (4720, 4177624), (5104, 3863320), (5192, 3797840), (6380, 3090656), (6490, 3038272), (6548, 3011360), (6844, 2881120), (7040, 2800907), (7552, 2611015), (8185, 2409088), (8555, 2304896), (9280, 2124826), (9440, 2088812), (10208, 1931660), (10384, 1898920), (12760, 1545328), (12980, 1519136), (13096, 1505680), (13688, 1440560), (16370, 1204544), (17110, 1152448), (18007, 1095040), (18560, 1062413), (18821, 1047680), (18880, 1044406), (20416, 965830), (20768, 949460), (25520, 772664), (25960, 759568), (26192, 752840), (27376, 720280), (32740, 602272), (34220, 576224), (36014, 547520), (37642, 523840), (37760, 522203), (40832, 482915), (41536, 474730), (47473, 415360), (51040, 386332), (51920, 379784), (52384, 376420), (54752, 360140), (65480, 301136), (68440, 288112), (72028, 273760), (75284, 261920), (83072, 237365), (90035, 219008), (94105, 209536), (94946, 207680), (96583, 204160), (102080, 193166), (103840, 189892), (104768, 188210), (109504, 180070), (130960, 150568), (136880, 144056)]