18996920320

素因数分解:

$2^{17}\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:188

約数の個数: 288

約数和(自身を含む): 53904989376

約数和(自身を除く): 34908069056

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 101, 112, 128, 140, 160, 164, 202, 205, 224, 256, 280, 287, 320, 328, 404, 410, 448, 505, 512, 560, 574, 640, 656, 707, 808, 820, 896, 1010, 1024, 1120, 1148, 1280, 1312, 1414, 1435, 1616, 1640, 1792, 2020, 2048, 2240, 2296, 2560, 2624, 2828, 2870, 3232, 3280, 3535, 3584, 4040, 4096, 4141, 4480, 4592, 5120, 5248, 5656, 5740, 6464, 6560, 7070, 7168, 8080, 8192, 8282, 8960, 9184, 10240, 10496, 11312, 11480, 12928, 13120, 14140, 14336, 16160, 16384, 16564, 17920, 18368, 20480, 20705, 20992, 22624, 22960, 25856, 26240, 28280, 28672, 28987, 32320, 32768, 33128, 35840, 36736, 40960, 41410, 41984, 45248, 45920, 51712, 52480, 56560, 57344, 57974, 64640, 65536, 66256, 71680, 73472, 81920, 82820, 83968, 90496, 91840, 103424, 104960, 113120, 114688, 115948, 129280, 131072, 132512, 143360, 144935, 146944, 163840, 165640, 167936, 180992, 183680, 206848, 209920, 226240, 229376, 231896, 258560, 265024, 286720, 289870, 293888, 327680, 331280, 335872, 361984, 367360, 413696, 419840, 452480, 458752, 463792, 517120, 530048, 573440, 579740, 587776, 655360, 662560, 671744, 723968, 734720, 827392, 839680, 904960, 917504, 927584, 1034240, 1060096, 1146880, 1159480, 1175552, 1325120, 1343488, 1447936, 1469440, 1654784, 1679360, 1809920, 1855168, 2068480, 2120192, 2293760, 2318960, 2351104, 2650240, 2686976, 2895872, 2938880, 3309568, 3358720, 3619840, 3710336, 4136960, 4240384, 4587520, 4637920, 4702208, 5300480, 5373952, 5791744, 5877760, 6619136, 6717440, 7239680, 7420672, 8273920, 8480768, 9275840, 9404416, 10600960, 11583488, 11755520, 13238272, 13434880, 14479360, 14841344, 16547840, 16961536, 18551680, 18808832, 21201920, 23166976, 23511040, 26869760, 28958720, 29682688, 33095680, 33923072, 37103360, 37617664, 42403840, 46333952, 47022080, 57917440, 59365376, 66191360, 67846144, 74206720, 84807680, 92667904, 94044160, 115834880, 118730752, 135692288, 148413440, 169615360, 188088320, 231669760, 237461504, 271384576, 296826880, 339230720, 463339520, 474923008, 542769152, 593653760, 678461440, 949846016, 1187307520, 1356922880, 1899692032, 2374615040, 2713845760, 3799384064, 4749230080, 9498460160, 18996920320]

約数ペア:

[(1, 18996920320), (2, 9498460160), (4, 4749230080), (5, 3799384064), (7, 2713845760), (8, 2374615040), (10, 1899692032), (14, 1356922880), (16, 1187307520), (20, 949846016), (28, 678461440), (32, 593653760), (35, 542769152), (40, 474923008), (41, 463339520), (56, 339230720), (64, 296826880), (70, 271384576), (80, 237461504), (82, 231669760), (101, 188088320), (112, 169615360), (128, 148413440), (140, 135692288), (160, 118730752), (164, 115834880), (202, 94044160), (205, 92667904), (224, 84807680), (256, 74206720), (280, 67846144), (287, 66191360), (320, 59365376), (328, 57917440), (404, 47022080), (410, 46333952), (448, 42403840), (505, 37617664), (512, 37103360), (560, 33923072), (574, 33095680), (640, 29682688), (656, 28958720), (707, 26869760), (808, 23511040), (820, 23166976), (896, 21201920), (1010, 18808832), (1024, 18551680), (1120, 16961536), (1148, 16547840), (1280, 14841344), (1312, 14479360), (1414, 13434880), (1435, 13238272), (1616, 11755520), (1640, 11583488), (1792, 10600960), (2020, 9404416), (2048, 9275840), (2240, 8480768), (2296, 8273920), (2560, 7420672), (2624, 7239680), (2828, 6717440), (2870, 6619136), (3232, 5877760), (3280, 5791744), (3535, 5373952), (3584, 5300480), (4040, 4702208), (4096, 4637920), (4141, 4587520), (4480, 4240384), (4592, 4136960), (5120, 3710336), (5248, 3619840), (5656, 3358720), (5740, 3309568), (6464, 2938880), (6560, 2895872), (7070, 2686976), (7168, 2650240), (8080, 2351104), (8192, 2318960), (8282, 2293760), (8960, 2120192), (9184, 2068480), (10240, 1855168), (10496, 1809920), (11312, 1679360), (11480, 1654784), (12928, 1469440), (13120, 1447936), (14140, 1343488), (14336, 1325120), (16160, 1175552), (16384, 1159480), (16564, 1146880), (17920, 1060096), (18368, 1034240), (20480, 927584), (20705, 917504), (20992, 904960), (22624, 839680), (22960, 827392), (25856, 734720), (26240, 723968), (28280, 671744), (28672, 662560), (28987, 655360), (32320, 587776), (32768, 579740), (33128, 573440), (35840, 530048), (36736, 517120), (40960, 463792), (41410, 458752), (41984, 452480), (45248, 419840), (45920, 413696), (51712, 367360), (52480, 361984), (56560, 335872), (57344, 331280), (57974, 327680), (64640, 293888), (65536, 289870), (66256, 286720), (71680, 265024), (73472, 258560), (81920, 231896), (82820, 229376), (83968, 226240), (90496, 209920), (91840, 206848), (103424, 183680), (104960, 180992), (113120, 167936), (114688, 165640), (115948, 163840), (129280, 146944), (131072, 144935), (132512, 143360)]