1988165520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7607}}^1$

素因数の和:7651

約数の個数: 240

約数和(自身を含む): 7528268160

約数和(自身を除く): 5540102640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 121, 132, 135, 144, 165, 176, 180, 198, 216, 220, 240, 242, 264, 270, 297, 330, 360, 363, 396, 432, 440, 484, 495, 528, 540, 594, 605, 660, 720, 726, 792, 880, 968, 990, 1080, 1089, 1188, 1210, 1320, 1452, 1485, 1584, 1815, 1936, 1980, 2160, 2178, 2376, 2420, 2640, 2904, 2970, 3267, 3630, 3960, 4356, 4752, 4840, 5445, 5808, 5940, 6534, 7260, 7607, 7920, 8712, 9680, 10890, 11880, 13068, 14520, 15214, 16335, 17424, 21780, 22821, 23760, 26136, 29040, 30428, 32670, 38035, 43560, 45642, 52272, 60856, 65340, 68463, 76070, 83677, 87120, 91284, 114105, 121712, 130680, 136926, 152140, 167354, 182568, 205389, 228210, 251031, 261360, 273852, 304280, 334708, 342315, 365136, 410778, 418385, 456420, 502062, 547704, 608560, 669416, 684630, 753093, 821556, 836770, 912840, 920447, 1004124, 1026945, 1095408, 1255155, 1338832, 1369260, 1506186, 1643112, 1673540, 1825680, 1840894, 2008248, 2053890, 2259279, 2510310, 2738520, 2761341, 3012372, 3286224, 3347080, 3681788, 3765465, 4016496, 4107780, 4518558, 4602235, 5020620, 5477040, 5522682, 6024744, 6694160, 7363576, 7530930, 8215560, 8284023, 9037116, 9204470, 10041240, 11045364, 11296395, 12049488, 13806705, 14727152, 15061860, 16431120, 16568046, 18074232, 18408940, 20082480, 22090728, 22592790, 24852069, 27613410, 30123720, 33136092, 36148464, 36817880, 41420115, 44181456, 45185580, 49704138, 55226820, 60247440, 66272184, 73635760, 82840230, 90371160, 99408276, 110453640, 124260345, 132544368, 165680460, 180742320, 198816552, 220907280, 248520690, 331360920, 397633104, 497041380, 662721840, 994082760, 1988165520]

約数ペア:

[(1, 1988165520), (2, 994082760), (3, 662721840), (4, 497041380), (5, 397633104), (6, 331360920), (8, 248520690), (9, 220907280), (10, 198816552), (11, 180742320), (12, 165680460), (15, 132544368), (16, 124260345), (18, 110453640), (20, 99408276), (22, 90371160), (24, 82840230), (27, 73635760), (30, 66272184), (33, 60247440), (36, 55226820), (40, 49704138), (44, 45185580), (45, 44181456), (48, 41420115), (54, 36817880), (55, 36148464), (60, 33136092), (66, 30123720), (72, 27613410), (80, 24852069), (88, 22592790), (90, 22090728), (99, 20082480), (108, 18408940), (110, 18074232), (120, 16568046), (121, 16431120), (132, 15061860), (135, 14727152), (144, 13806705), (165, 12049488), (176, 11296395), (180, 11045364), (198, 10041240), (216, 9204470), (220, 9037116), (240, 8284023), (242, 8215560), (264, 7530930), (270, 7363576), (297, 6694160), (330, 6024744), (360, 5522682), (363, 5477040), (396, 5020620), (432, 4602235), (440, 4518558), (484, 4107780), (495, 4016496), (528, 3765465), (540, 3681788), (594, 3347080), (605, 3286224), (660, 3012372), (720, 2761341), (726, 2738520), (792, 2510310), (880, 2259279), (968, 2053890), (990, 2008248), (1080, 1840894), (1089, 1825680), (1188, 1673540), (1210, 1643112), (1320, 1506186), (1452, 1369260), (1485, 1338832), (1584, 1255155), (1815, 1095408), (1936, 1026945), (1980, 1004124), (2160, 920447), (2178, 912840), (2376, 836770), (2420, 821556), (2640, 753093), (2904, 684630), (2970, 669416), (3267, 608560), (3630, 547704), (3960, 502062), (4356, 456420), (4752, 418385), (4840, 410778), (5445, 365136), (5808, 342315), (5940, 334708), (6534, 304280), (7260, 273852), (7607, 261360), (7920, 251031), (8712, 228210), (9680, 205389), (10890, 182568), (11880, 167354), (13068, 152140), (14520, 136926), (15214, 130680), (16335, 121712), (17424, 114105), (21780, 91284), (22821, 87120), (23760, 83677), (26136, 76070), (29040, 68463), (30428, 65340), (32670, 60856), (38035, 52272), (43560, 45642)]