1998923520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1279}}^1$

素因数の和:1351

約数の個数: 288

約数和(自身を含む): 7158251520

約数和(自身を除く): 5159328000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 37, 40, 44, 48, 55, 60, 64, 66, 74, 80, 88, 96, 110, 111, 120, 128, 132, 148, 160, 165, 176, 185, 192, 220, 222, 240, 256, 264, 296, 320, 330, 352, 370, 384, 407, 440, 444, 480, 528, 555, 592, 640, 660, 704, 740, 768, 814, 880, 888, 960, 1056, 1110, 1184, 1221, 1279, 1280, 1320, 1408, 1480, 1628, 1760, 1776, 1920, 2035, 2112, 2220, 2368, 2442, 2558, 2640, 2816, 2960, 3256, 3520, 3552, 3837, 3840, 4070, 4224, 4440, 4736, 4884, 5116, 5280, 5920, 6105, 6395, 6512, 7040, 7104, 7674, 8140, 8448, 8880, 9472, 9768, 10232, 10560, 11840, 12210, 12790, 13024, 14069, 14080, 14208, 15348, 16280, 17760, 19185, 19536, 20464, 21120, 23680, 24420, 25580, 26048, 28138, 28416, 30696, 32560, 35520, 38370, 39072, 40928, 42207, 42240, 47323, 47360, 48840, 51160, 52096, 56276, 61392, 65120, 70345, 71040, 76740, 78144, 81856, 84414, 94646, 97680, 102320, 104192, 112552, 122784, 130240, 140690, 141969, 142080, 153480, 156288, 163712, 168828, 189292, 195360, 204640, 211035, 225104, 236615, 245568, 260480, 281380, 283938, 306960, 312576, 327424, 337656, 378584, 390720, 409280, 422070, 450208, 473230, 491136, 520553, 520960, 562760, 567876, 613920, 675312, 709845, 757168, 781440, 818560, 844140, 900416, 946460, 982272, 1041106, 1125520, 1135752, 1227840, 1350624, 1419690, 1514336, 1561659, 1562880, 1637120, 1688280, 1800832, 1892920, 2082212, 2251040, 2271504, 2455680, 2602765, 2701248, 2839380, 3028672, 3123318, 3376560, 3601664, 3785840, 4164424, 4502080, 4543008, 4911360, 5205530, 5402496, 5678760, 6057344, 6246636, 6753120, 7571680, 7808295, 8328848, 9004160, 9086016, 10411060, 10804992, 11357520, 12114688, 12493272, 13506240, 15143360, 15616590, 16657696, 18008320, 18172032, 20822120, 22715040, 24986544, 27012480, 30286720, 31233180, 33315392, 36344064, 41644240, 45430080, 49973088, 54024960, 60573440, 62466360, 66630784, 83288480, 90860160, 99946176, 124932720, 133261568, 166576960, 181720320, 199892352, 249865440, 333153920, 399784704, 499730880, 666307840, 999461760, 1998923520]

約数ペア:

[(1, 1998923520), (2, 999461760), (3, 666307840), (4, 499730880), (5, 399784704), (6, 333153920), (8, 249865440), (10, 199892352), (11, 181720320), (12, 166576960), (15, 133261568), (16, 124932720), (20, 99946176), (22, 90860160), (24, 83288480), (30, 66630784), (32, 62466360), (33, 60573440), (37, 54024960), (40, 49973088), (44, 45430080), (48, 41644240), (55, 36344064), (60, 33315392), (64, 31233180), (66, 30286720), (74, 27012480), (80, 24986544), (88, 22715040), (96, 20822120), (110, 18172032), (111, 18008320), (120, 16657696), (128, 15616590), (132, 15143360), (148, 13506240), (160, 12493272), (165, 12114688), (176, 11357520), (185, 10804992), (192, 10411060), (220, 9086016), (222, 9004160), (240, 8328848), (256, 7808295), (264, 7571680), (296, 6753120), (320, 6246636), (330, 6057344), (352, 5678760), (370, 5402496), (384, 5205530), (407, 4911360), (440, 4543008), (444, 4502080), (480, 4164424), (528, 3785840), (555, 3601664), (592, 3376560), (640, 3123318), (660, 3028672), (704, 2839380), (740, 2701248), (768, 2602765), (814, 2455680), (880, 2271504), (888, 2251040), (960, 2082212), (1056, 1892920), (1110, 1800832), (1184, 1688280), (1221, 1637120), (1279, 1562880), (1280, 1561659), (1320, 1514336), (1408, 1419690), (1480, 1350624), (1628, 1227840), (1760, 1135752), (1776, 1125520), (1920, 1041106), (2035, 982272), (2112, 946460), (2220, 900416), (2368, 844140), (2442, 818560), (2558, 781440), (2640, 757168), (2816, 709845), (2960, 675312), (3256, 613920), (3520, 567876), (3552, 562760), (3837, 520960), (3840, 520553), (4070, 491136), (4224, 473230), (4440, 450208), (4736, 422070), (4884, 409280), (5116, 390720), (5280, 378584), (5920, 337656), (6105, 327424), (6395, 312576), (6512, 306960), (7040, 283938), (7104, 281380), (7674, 260480), (8140, 245568), (8448, 236615), (8880, 225104), (9472, 211035), (9768, 204640), (10232, 195360), (10560, 189292), (11840, 168828), (12210, 163712), (12790, 156288), (13024, 153480), (14069, 142080), (14080, 141969), (14208, 140690), (15348, 130240), (16280, 122784), (17760, 112552), (19185, 104192), (19536, 102320), (20464, 97680), (21120, 94646), (23680, 84414), (24420, 81856), (25580, 78144), (26048, 76740), (28138, 71040), (28416, 70345), (30696, 65120), (32560, 61392), (35520, 56276), (38370, 52096), (39072, 51160), (40928, 48840), (42207, 47360), (42240, 47323)]