1521567990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:185

約数の個数: 240

約数和(自身を含む): 4422681648

約数和(自身を除く): 2901113658

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 53, 54, 67, 69, 81, 90, 106, 115, 134, 135, 138, 159, 162, 201, 207, 230, 265, 270, 318, 335, 345, 402, 405, 414, 477, 529, 530, 603, 621, 670, 690, 795, 810, 954, 1005, 1035, 1058, 1206, 1219, 1242, 1431, 1541, 1587, 1590, 1809, 1863, 2010, 2070, 2385, 2438, 2645, 2862, 3015, 3082, 3105, 3174, 3551, 3618, 3657, 3726, 4293, 4623, 4761, 4770, 5290, 5427, 6030, 6095, 6210, 7102, 7155, 7314, 7705, 7935, 8586, 9045, 9246, 9315, 9522, 10653, 10854, 10971, 12190, 13869, 14283, 14310, 15410, 15870, 17755, 18090, 18285, 18630, 21306, 21465, 21942, 23115, 23805, 27135, 27738, 28037, 28566, 31959, 32913, 35443, 35510, 36570, 41607, 42849, 42930, 46230, 47610, 53265, 54270, 54855, 56074, 63918, 65826, 69345, 70886, 71415, 81673, 83214, 84111, 85698, 95877, 98739, 106329, 106530, 109710, 124821, 138690, 140185, 142830, 159795, 163346, 164565, 168222, 177215, 191754, 197478, 208035, 212658, 214245, 245019, 249642, 252333, 280370, 287631, 318987, 319590, 329130, 354430, 408365, 416070, 420555, 428490, 479385, 490038, 493695, 504666, 531645, 575262, 624105, 637974, 735057, 756999, 816730, 841110, 956961, 958770, 987390, 1063290, 1225095, 1248210, 1261665, 1438155, 1470114, 1513998, 1594935, 1878479, 1913922, 2205171, 2270997, 2450190, 2523330, 2870883, 2876310, 3189870, 3675285, 3756958, 3784995, 4410342, 4541994, 4784805, 5635437, 5741766, 6615513, 7350570, 7569990, 9392395, 9569610, 11025855, 11270874, 11354985, 13231026, 14354415, 16906311, 18784790, 22051710, 22709970, 28177185, 28708830, 33077565, 33812622, 50718933, 56354370, 66155130, 84531555, 101437866, 152156799, 169063110, 253594665, 304313598, 507189330, 760783995, 1521567990]

約数ペア:

[(1, 1521567990), (2, 760783995), (3, 507189330), (5, 304313598), (6, 253594665), (9, 169063110), (10, 152156799), (15, 101437866), (18, 84531555), (23, 66155130), (27, 56354370), (30, 50718933), (45, 33812622), (46, 33077565), (53, 28708830), (54, 28177185), (67, 22709970), (69, 22051710), (81, 18784790), (90, 16906311), (106, 14354415), (115, 13231026), (134, 11354985), (135, 11270874), (138, 11025855), (159, 9569610), (162, 9392395), (201, 7569990), (207, 7350570), (230, 6615513), (265, 5741766), (270, 5635437), (318, 4784805), (335, 4541994), (345, 4410342), (402, 3784995), (405, 3756958), (414, 3675285), (477, 3189870), (529, 2876310), (530, 2870883), (603, 2523330), (621, 2450190), (670, 2270997), (690, 2205171), (795, 1913922), (810, 1878479), (954, 1594935), (1005, 1513998), (1035, 1470114), (1058, 1438155), (1206, 1261665), (1219, 1248210), (1242, 1225095), (1431, 1063290), (1541, 987390), (1587, 958770), (1590, 956961), (1809, 841110), (1863, 816730), (2010, 756999), (2070, 735057), (2385, 637974), (2438, 624105), (2645, 575262), (2862, 531645), (3015, 504666), (3082, 493695), (3105, 490038), (3174, 479385), (3551, 428490), (3618, 420555), (3657, 416070), (3726, 408365), (4293, 354430), (4623, 329130), (4761, 319590), (4770, 318987), (5290, 287631), (5427, 280370), (6030, 252333), (6095, 249642), (6210, 245019), (7102, 214245), (7155, 212658), (7314, 208035), (7705, 197478), (7935, 191754), (8586, 177215), (9045, 168222), (9246, 164565), (9315, 163346), (9522, 159795), (10653, 142830), (10854, 140185), (10971, 138690), (12190, 124821), (13869, 109710), (14283, 106530), (14310, 106329), (15410, 98739), (15870, 95877), (17755, 85698), (18090, 84111), (18285, 83214), (18630, 81673), (21306, 71415), (21465, 70886), (21942, 69345), (23115, 65826), (23805, 63918), (27135, 56074), (27738, 54855), (28037, 54270), (28566, 53265), (31959, 47610), (32913, 46230), (35443, 42930), (35510, 42849), (36570, 41607)]