81538380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 384

約数和(自身を含む): 330946560

約数和(自身を除く): 249408180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 37, 42, 44, 45, 53, 54, 55, 60, 63, 66, 70, 74, 77, 84, 90, 99, 105, 106, 108, 110, 111, 126, 132, 135, 140, 148, 154, 159, 165, 180, 185, 189, 198, 210, 212, 220, 222, 231, 252, 259, 265, 270, 297, 308, 315, 318, 330, 333, 370, 371, 378, 385, 396, 407, 420, 444, 462, 477, 495, 518, 530, 540, 555, 583, 594, 630, 636, 660, 666, 693, 740, 742, 756, 770, 777, 795, 814, 924, 945, 954, 990, 999, 1036, 1060, 1110, 1113, 1155, 1166, 1188, 1221, 1260, 1295, 1332, 1386, 1431, 1484, 1485, 1540, 1554, 1590, 1628, 1665, 1749, 1855, 1890, 1908, 1961, 1980, 1998, 2035, 2079, 2220, 2226, 2310, 2331, 2332, 2385, 2442, 2590, 2772, 2849, 2862, 2915, 2970, 3108, 3180, 3330, 3339, 3465, 3498, 3663, 3710, 3780, 3885, 3922, 3996, 4070, 4081, 4158, 4452, 4620, 4662, 4770, 4884, 4995, 5180, 5247, 5565, 5698, 5724, 5830, 5883, 5940, 6105, 6660, 6678, 6930, 6993, 6996, 7155, 7326, 7420, 7770, 7844, 8140, 8162, 8316, 8547, 8745, 9324, 9540, 9805, 9990, 10017, 10395, 10494, 10989, 11130, 11396, 11655, 11660, 11766, 12210, 12243, 13356, 13727, 13860, 13986, 14245, 14310, 14652, 15540, 15741, 16324, 16695, 17094, 17490, 17649, 18315, 19610, 19980, 20034, 20405, 20790, 20988, 21571, 21978, 22260, 23310, 23532, 24420, 24486, 25641, 26235, 27454, 27972, 28490, 28620, 29415, 31482, 33390, 34188, 34965, 34980, 35298, 36630, 36729, 39220, 40068, 40810, 41181, 41580, 42735, 43142, 43956, 46620, 48972, 50085, 51282, 52470, 52947, 54908, 54945, 56980, 58830, 61215, 62964, 64713, 66780, 68635, 69930, 70596, 73260, 73458, 76923, 78705, 81620, 82362, 85470, 86284, 88245, 100170, 102564, 104940, 105894, 107855, 109890, 110187, 117660, 122430, 123543, 128205, 129426, 137270, 139860, 146916, 150997, 153846, 157410, 164724, 170940, 176490, 183645, 194139, 200340, 205905, 211788, 215710, 219780, 220374, 244860, 247086, 256410, 258852, 264735, 274540, 301994, 307692, 314820, 323565, 352980, 367290, 370629, 384615, 388278, 411810, 431420, 440748, 452991, 494172, 512820, 529470, 550935, 582417, 603988, 617715, 647130, 734580, 741258, 754985, 769230, 776556, 823620, 905982, 970695, 1058940, 1101870, 1164834, 1235430, 1294260, 1358973, 1482516, 1509970, 1538460, 1811964, 1853145, 1941390, 2203740, 2264955, 2329668, 2470860, 2717946, 2912085, 3019940, 3706290, 3882780, 4076919, 4529910, 5435892, 5824170, 6794865, 7412580, 8153838, 9059820, 11648340, 13589730, 16307676, 20384595, 27179460, 40769190, 81538380]

約数ペア:

[(1, 81538380), (2, 40769190), (3, 27179460), (4, 20384595), (5, 16307676), (6, 13589730), (7, 11648340), (9, 9059820), (10, 8153838), (11, 7412580), (12, 6794865), (14, 5824170), (15, 5435892), (18, 4529910), (20, 4076919), (21, 3882780), (22, 3706290), (27, 3019940), (28, 2912085), (30, 2717946), (33, 2470860), (35, 2329668), (36, 2264955), (37, 2203740), (42, 1941390), (44, 1853145), (45, 1811964), (53, 1538460), (54, 1509970), (55, 1482516), (60, 1358973), (63, 1294260), (66, 1235430), (70, 1164834), (74, 1101870), (77, 1058940), (84, 970695), (90, 905982), (99, 823620), (105, 776556), (106, 769230), (108, 754985), (110, 741258), (111, 734580), (126, 647130), (132, 617715), (135, 603988), (140, 582417), (148, 550935), (154, 529470), (159, 512820), (165, 494172), (180, 452991), (185, 440748), (189, 431420), (198, 411810), (210, 388278), (212, 384615), (220, 370629), (222, 367290), (231, 352980), (252, 323565), (259, 314820), (265, 307692), (270, 301994), (297, 274540), (308, 264735), (315, 258852), (318, 256410), (330, 247086), (333, 244860), (370, 220374), (371, 219780), (378, 215710), (385, 211788), (396, 205905), (407, 200340), (420, 194139), (444, 183645), (462, 176490), (477, 170940), (495, 164724), (518, 157410), (530, 153846), (540, 150997), (555, 146916), (583, 139860), (594, 137270), (630, 129426), (636, 128205), (660, 123543), (666, 122430), (693, 117660), (740, 110187), (742, 109890), (756, 107855), (770, 105894), (777, 104940), (795, 102564), (814, 100170), (924, 88245), (945, 86284), (954, 85470), (990, 82362), (999, 81620), (1036, 78705), (1060, 76923), (1110, 73458), (1113, 73260), (1155, 70596), (1166, 69930), (1188, 68635), (1221, 66780), (1260, 64713), (1295, 62964), (1332, 61215), (1386, 58830), (1431, 56980), (1484, 54945), (1485, 54908), (1540, 52947), (1554, 52470), (1590, 51282), (1628, 50085), (1665, 48972), (1749, 46620), (1855, 43956), (1890, 43142), (1908, 42735), (1961, 41580), (1980, 41181), (1998, 40810), (2035, 40068), (2079, 39220), (2220, 36729), (2226, 36630), (2310, 35298), (2331, 34980), (2332, 34965), (2385, 34188), (2442, 33390), (2590, 31482), (2772, 29415), (2849, 28620), (2862, 28490), (2915, 27972), (2970, 27454), (3108, 26235), (3180, 25641), (3330, 24486), (3339, 24420), (3465, 23532), (3498, 23310), (3663, 22260), (3710, 21978), (3780, 21571), (3885, 20988), (3922, 20790), (3996, 20405), (4070, 20034), (4081, 19980), (4158, 19610), (4452, 18315), (4620, 17649), (4662, 17490), (4770, 17094), (4884, 16695), (4995, 16324), (5180, 15741), (5247, 15540), (5565, 14652), (5698, 14310), (5724, 14245), (5830, 13986), (5883, 13860), (5940, 13727), (6105, 13356), (6660, 12243), (6678, 12210), (6930, 11766), (6993, 11660), (6996, 11655), (7155, 11396), (7326, 11130), (7420, 10989), (7770, 10494), (7844, 10395), (8140, 10017), (8162, 9990), (8316, 9805), (8547, 9540), (8745, 9324)]