2021819940

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1361}}^1$

素因数の和:1520

約数の個数: 240

約数和(自身を含む): 7309298304

約数和(自身を除く): 5287478364

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 131, 135, 140, 162, 180, 189, 210, 252, 262, 270, 315, 324, 378, 393, 405, 420, 524, 540, 567, 630, 655, 756, 786, 810, 917, 945, 1134, 1179, 1260, 1310, 1361, 1572, 1620, 1834, 1890, 1965, 2268, 2358, 2620, 2722, 2751, 2835, 3537, 3668, 3780, 3930, 4083, 4585, 4716, 5444, 5502, 5670, 5895, 6805, 7074, 7860, 8166, 8253, 9170, 9527, 10611, 11004, 11340, 11790, 12249, 13610, 13755, 14148, 16332, 16506, 17685, 18340, 19054, 20415, 21222, 23580, 24498, 24759, 27220, 27510, 28581, 33012, 35370, 36747, 38108, 40830, 41265, 42444, 47635, 48996, 49518, 53055, 55020, 57162, 61245, 70740, 73494, 74277, 81660, 82530, 85743, 95270, 99036, 106110, 110241, 114324, 122490, 123795, 142905, 146988, 148554, 165060, 171486, 178291, 183735, 190540, 212220, 220482, 244980, 247590, 257229, 285810, 297108, 342972, 356582, 367470, 371385, 428715, 440964, 495180, 514458, 534873, 551205, 571620, 713164, 734940, 742770, 771687, 857430, 891455, 1028916, 1069746, 1102410, 1248037, 1286145, 1485540, 1543374, 1604619, 1714860, 1782910, 2139492, 2204820, 2496074, 2572290, 2674365, 3086748, 3209238, 3565820, 3744111, 3858435, 4813857, 4992148, 5144580, 5348730, 6240185, 6418476, 7488222, 7716870, 8023095, 9627714, 10697460, 11232333, 12480370, 14441571, 14976444, 15433740, 16046190, 18720555, 19255428, 22464666, 24069285, 24960740, 28883142, 32092380, 33696999, 37441110, 44929332, 48138570, 56161665, 57766284, 67393998, 72207855, 74882220, 96277140, 101090997, 112323330, 134787996, 144415710, 168484995, 202181994, 224646660, 288831420, 336969990, 404363988, 505454985, 673939980, 1010909970, 2021819940]

約数ペア:

[(1, 2021819940), (2, 1010909970), (3, 673939980), (4, 505454985), (5, 404363988), (6, 336969990), (7, 288831420), (9, 224646660), (10, 202181994), (12, 168484995), (14, 144415710), (15, 134787996), (18, 112323330), (20, 101090997), (21, 96277140), (27, 74882220), (28, 72207855), (30, 67393998), (35, 57766284), (36, 56161665), (42, 48138570), (45, 44929332), (54, 37441110), (60, 33696999), (63, 32092380), (70, 28883142), (81, 24960740), (84, 24069285), (90, 22464666), (105, 19255428), (108, 18720555), (126, 16046190), (131, 15433740), (135, 14976444), (140, 14441571), (162, 12480370), (180, 11232333), (189, 10697460), (210, 9627714), (252, 8023095), (262, 7716870), (270, 7488222), (315, 6418476), (324, 6240185), (378, 5348730), (393, 5144580), (405, 4992148), (420, 4813857), (524, 3858435), (540, 3744111), (567, 3565820), (630, 3209238), (655, 3086748), (756, 2674365), (786, 2572290), (810, 2496074), (917, 2204820), (945, 2139492), (1134, 1782910), (1179, 1714860), (1260, 1604619), (1310, 1543374), (1361, 1485540), (1572, 1286145), (1620, 1248037), (1834, 1102410), (1890, 1069746), (1965, 1028916), (2268, 891455), (2358, 857430), (2620, 771687), (2722, 742770), (2751, 734940), (2835, 713164), (3537, 571620), (3668, 551205), (3780, 534873), (3930, 514458), (4083, 495180), (4585, 440964), (4716, 428715), (5444, 371385), (5502, 367470), (5670, 356582), (5895, 342972), (6805, 297108), (7074, 285810), (7860, 257229), (8166, 247590), (8253, 244980), (9170, 220482), (9527, 212220), (10611, 190540), (11004, 183735), (11340, 178291), (11790, 171486), (12249, 165060), (13610, 148554), (13755, 146988), (14148, 142905), (16332, 123795), (16506, 122490), (17685, 114324), (18340, 110241), (19054, 106110), (20415, 99036), (21222, 95270), (23580, 85743), (24498, 82530), (24759, 81660), (27220, 74277), (27510, 73494), (28581, 70740), (33012, 61245), (35370, 57162), (36747, 55020), (38108, 53055), (40830, 49518), (41265, 48996), (42444, 47635)]