20889879840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{12941}}^1$

素因数の和:13040

約数の個数: 288

約数和(自身を含む): 76316385600

約数和(自身を除く): 55426505760

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, 59, 60, 72, 76, 80, 90, 95, 96, 114, 118, 120, 144, 152, 160, 171, 177, 180, 190, 228, 236, 240, 285, 288, 295, 304, 342, 354, 360, 380, 456, 472, 480, 531, 570, 590, 608, 684, 708, 720, 760, 855, 885, 912, 944, 1062, 1121, 1140, 1180, 1368, 1416, 1440, 1520, 1710, 1770, 1824, 1888, 2124, 2242, 2280, 2360, 2655, 2736, 2832, 3040, 3363, 3420, 3540, 4248, 4484, 4560, 4720, 5310, 5472, 5605, 5664, 6726, 6840, 7080, 8496, 8968, 9120, 9440, 10089, 10620, 11210, 12941, 13452, 13680, 14160, 16815, 16992, 17936, 20178, 21240, 22420, 25882, 26904, 27360, 28320, 33630, 35872, 38823, 40356, 42480, 44840, 50445, 51764, 53808, 64705, 67260, 77646, 80712, 84960, 89680, 100890, 103528, 107616, 116469, 129410, 134520, 155292, 161424, 179360, 194115, 201780, 207056, 232938, 245879, 258820, 269040, 310584, 322848, 388230, 403560, 414112, 465876, 491758, 517640, 538080, 582345, 621168, 737637, 763519, 776460, 807120, 931752, 983516, 1035280, 1164690, 1229395, 1242336, 1475274, 1527038, 1552920, 1614240, 1863504, 1967032, 2070560, 2212911, 2290557, 2329380, 2458790, 2950548, 3054076, 3105840, 3688185, 3727008, 3817595, 3934064, 4425822, 4581114, 4658760, 4917580, 5901096, 6108152, 6211680, 6871671, 7376370, 7635190, 7868128, 8851644, 9162228, 9317520, 9835160, 11064555, 11452785, 11802192, 12216304, 13743342, 14506861, 14752740, 15270380, 17703288, 18324456, 18635040, 19670320, 22129110, 22905570, 23604384, 24432608, 27486684, 29013722, 29505480, 30540760, 34358355, 35406576, 36648912, 39340640, 43520583, 44258220, 45811140, 54973368, 58027444, 59010960, 61081520, 68716710, 70813152, 72534305, 73297824, 87041166, 88516440, 91622280, 109946736, 116054888, 118021920, 122163040, 130561749, 137433420, 145068610, 174082332, 177032880, 183244560, 217602915, 219893472, 232109776, 261123498, 274866840, 290137220, 348164664, 354065760, 366489120, 435205830, 464219552, 522246996, 549733680, 580274440, 652808745, 696329328, 870411660, 1044493992, 1099467360, 1160548880, 1305617490, 1392658656, 1740823320, 2088987984, 2321097760, 2611234980, 3481646640, 4177975968, 5222469960, 6963293280, 10444939920, 20889879840]

約数ペア:

[(1, 20889879840), (2, 10444939920), (3, 6963293280), (4, 5222469960), (5, 4177975968), (6, 3481646640), (8, 2611234980), (9, 2321097760), (10, 2088987984), (12, 1740823320), (15, 1392658656), (16, 1305617490), (18, 1160548880), (19, 1099467360), (20, 1044493992), (24, 870411660), (30, 696329328), (32, 652808745), (36, 580274440), (38, 549733680), (40, 522246996), (45, 464219552), (48, 435205830), (57, 366489120), (59, 354065760), (60, 348164664), (72, 290137220), (76, 274866840), (80, 261123498), (90, 232109776), (95, 219893472), (96, 217602915), (114, 183244560), (118, 177032880), (120, 174082332), (144, 145068610), (152, 137433420), (160, 130561749), (171, 122163040), (177, 118021920), (180, 116054888), (190, 109946736), (228, 91622280), (236, 88516440), (240, 87041166), (285, 73297824), (288, 72534305), (295, 70813152), (304, 68716710), (342, 61081520), (354, 59010960), (360, 58027444), (380, 54973368), (456, 45811140), (472, 44258220), (480, 43520583), (531, 39340640), (570, 36648912), (590, 35406576), (608, 34358355), (684, 30540760), (708, 29505480), (720, 29013722), (760, 27486684), (855, 24432608), (885, 23604384), (912, 22905570), (944, 22129110), (1062, 19670320), (1121, 18635040), (1140, 18324456), (1180, 17703288), (1368, 15270380), (1416, 14752740), (1440, 14506861), (1520, 13743342), (1710, 12216304), (1770, 11802192), (1824, 11452785), (1888, 11064555), (2124, 9835160), (2242, 9317520), (2280, 9162228), (2360, 8851644), (2655, 7868128), (2736, 7635190), (2832, 7376370), (3040, 6871671), (3363, 6211680), (3420, 6108152), (3540, 5901096), (4248, 4917580), (4484, 4658760), (4560, 4581114), (4720, 4425822), (5310, 3934064), (5472, 3817595), (5605, 3727008), (5664, 3688185), (6726, 3105840), (6840, 3054076), (7080, 2950548), (8496, 2458790), (8968, 2329380), (9120, 2290557), (9440, 2212911), (10089, 2070560), (10620, 1967032), (11210, 1863504), (12941, 1614240), (13452, 1552920), (13680, 1527038), (14160, 1475274), (16815, 1242336), (16992, 1229395), (17936, 1164690), (20178, 1035280), (21240, 983516), (22420, 931752), (25882, 807120), (26904, 776460), (27360, 763519), (28320, 737637), (33630, 621168), (35872, 582345), (38823, 538080), (40356, 517640), (42480, 491758), (44840, 465876), (50445, 414112), (51764, 403560), (53808, 388230), (64705, 322848), (67260, 310584), (77646, 269040), (80712, 258820), (84960, 245879), (89680, 232938), (100890, 207056), (103528, 201780), (107616, 194115), (116469, 179360), (129410, 161424), (134520, 155292)]