1991561760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{877}}^1$

素因数の和:1000

約数の個数: 288

約数和(自身を含む): 7248346560

約数和(自身を除く): 5256784800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 83, 90, 95, 96, 114, 120, 144, 152, 160, 166, 171, 180, 190, 228, 240, 249, 285, 288, 304, 332, 342, 360, 380, 415, 456, 480, 498, 570, 608, 664, 684, 720, 747, 760, 830, 855, 877, 912, 996, 1140, 1245, 1328, 1368, 1440, 1494, 1520, 1577, 1660, 1710, 1754, 1824, 1992, 2280, 2490, 2631, 2656, 2736, 2988, 3040, 3154, 3320, 3420, 3508, 3735, 3984, 4385, 4560, 4731, 4980, 5262, 5472, 5976, 6308, 6640, 6840, 7016, 7470, 7885, 7893, 7968, 8770, 9120, 9462, 9960, 10524, 11952, 12616, 13155, 13280, 13680, 14032, 14193, 14940, 15770, 15786, 16663, 17540, 18924, 19920, 21048, 23655, 23904, 25232, 26310, 27360, 28064, 28386, 29880, 31540, 31572, 33326, 35080, 37848, 39465, 39840, 42096, 47310, 49989, 50464, 52620, 56772, 59760, 63080, 63144, 66652, 70160, 70965, 72791, 75696, 78930, 83315, 84192, 94620, 99978, 105240, 113544, 119520, 126160, 126288, 133304, 140320, 141930, 145582, 149967, 151392, 157860, 166630, 189240, 199956, 210480, 218373, 227088, 249945, 252320, 252576, 266608, 283860, 291164, 299934, 315720, 333260, 363955, 378480, 399912, 420960, 436746, 454176, 499890, 533216, 567720, 582328, 599868, 631440, 655119, 666520, 727910, 749835, 756960, 799824, 873492, 999780, 1091865, 1135440, 1164656, 1199736, 1262880, 1310238, 1333040, 1383029, 1455820, 1499670, 1599648, 1746984, 1999560, 2183730, 2270880, 2329312, 2399472, 2620476, 2666080, 2766058, 2911640, 2999340, 3275595, 3493968, 3999120, 4149087, 4367460, 4798944, 5240952, 5532116, 5823280, 5998680, 6551190, 6915145, 6987936, 7998240, 8298174, 8734920, 10481904, 11064232, 11646560, 11997360, 12447261, 13102380, 13830290, 16596348, 17469840, 20745435, 20963808, 22128464, 23994720, 24894522, 26204760, 27660580, 33192696, 34939680, 41490870, 44256928, 49789044, 52409520, 55321160, 62236305, 66385392, 82981740, 99578088, 104819040, 110642320, 124472610, 132770784, 165963480, 199156176, 221284640, 248945220, 331926960, 398312352, 497890440, 663853920, 995780880, 1991561760]

約数ペア:

[(1, 1991561760), (2, 995780880), (3, 663853920), (4, 497890440), (5, 398312352), (6, 331926960), (8, 248945220), (9, 221284640), (10, 199156176), (12, 165963480), (15, 132770784), (16, 124472610), (18, 110642320), (19, 104819040), (20, 99578088), (24, 82981740), (30, 66385392), (32, 62236305), (36, 55321160), (38, 52409520), (40, 49789044), (45, 44256928), (48, 41490870), (57, 34939680), (60, 33192696), (72, 27660580), (76, 26204760), (80, 24894522), (83, 23994720), (90, 22128464), (95, 20963808), (96, 20745435), (114, 17469840), (120, 16596348), (144, 13830290), (152, 13102380), (160, 12447261), (166, 11997360), (171, 11646560), (180, 11064232), (190, 10481904), (228, 8734920), (240, 8298174), (249, 7998240), (285, 6987936), (288, 6915145), (304, 6551190), (332, 5998680), (342, 5823280), (360, 5532116), (380, 5240952), (415, 4798944), (456, 4367460), (480, 4149087), (498, 3999120), (570, 3493968), (608, 3275595), (664, 2999340), (684, 2911640), (720, 2766058), (747, 2666080), (760, 2620476), (830, 2399472), (855, 2329312), (877, 2270880), (912, 2183730), (996, 1999560), (1140, 1746984), (1245, 1599648), (1328, 1499670), (1368, 1455820), (1440, 1383029), (1494, 1333040), (1520, 1310238), (1577, 1262880), (1660, 1199736), (1710, 1164656), (1754, 1135440), (1824, 1091865), (1992, 999780), (2280, 873492), (2490, 799824), (2631, 756960), (2656, 749835), (2736, 727910), (2988, 666520), (3040, 655119), (3154, 631440), (3320, 599868), (3420, 582328), (3508, 567720), (3735, 533216), (3984, 499890), (4385, 454176), (4560, 436746), (4731, 420960), (4980, 399912), (5262, 378480), (5472, 363955), (5976, 333260), (6308, 315720), (6640, 299934), (6840, 291164), (7016, 283860), (7470, 266608), (7885, 252576), (7893, 252320), (7968, 249945), (8770, 227088), (9120, 218373), (9462, 210480), (9960, 199956), (10524, 189240), (11952, 166630), (12616, 157860), (13155, 151392), (13280, 149967), (13680, 145582), (14032, 141930), (14193, 140320), (14940, 133304), (15770, 126288), (15786, 126160), (16663, 119520), (17540, 113544), (18924, 105240), (19920, 99978), (21048, 94620), (23655, 84192), (23904, 83315), (25232, 78930), (26310, 75696), (27360, 72791), (28064, 70965), (28386, 70160), (29880, 66652), (31540, 63144), (31572, 63080), (33326, 59760), (35080, 56772), (37848, 52620), (39465, 50464), (39840, 49989), (42096, 47310)]