81465120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 288

約数和(自身を含む): 313709760

約数和(自身を除く): 232244640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 37, 40, 44, 45, 48, 55, 60, 66, 72, 74, 80, 88, 90, 96, 99, 110, 111, 120, 132, 139, 144, 148, 160, 165, 176, 180, 185, 198, 220, 222, 240, 264, 278, 288, 296, 330, 333, 352, 360, 370, 396, 407, 417, 440, 444, 480, 495, 528, 555, 556, 592, 660, 666, 695, 720, 740, 792, 814, 834, 880, 888, 990, 1056, 1110, 1112, 1184, 1221, 1251, 1320, 1332, 1390, 1440, 1480, 1529, 1584, 1628, 1665, 1668, 1760, 1776, 1980, 2035, 2085, 2220, 2224, 2442, 2502, 2640, 2664, 2780, 2960, 3058, 3168, 3256, 3330, 3336, 3552, 3663, 3960, 4070, 4170, 4440, 4448, 4587, 4884, 5004, 5143, 5280, 5328, 5560, 5920, 6105, 6116, 6255, 6512, 6660, 6672, 7326, 7645, 7920, 8140, 8340, 8880, 9174, 9768, 10008, 10286, 10656, 11120, 12210, 12232, 12510, 13024, 13320, 13344, 13761, 14652, 15290, 15429, 15840, 16280, 16680, 17760, 18315, 18348, 19536, 20016, 20572, 22240, 22935, 24420, 24464, 25020, 25715, 26640, 27522, 29304, 30580, 30858, 32560, 33360, 36630, 36696, 39072, 40032, 41144, 45870, 46287, 48840, 48928, 50040, 51430, 53280, 55044, 56573, 58608, 61160, 61716, 65120, 66720, 68805, 73260, 73392, 77145, 82288, 91740, 92574, 97680, 100080, 102860, 110088, 113146, 117216, 122320, 123432, 137610, 146520, 146784, 154290, 164576, 169719, 183480, 185148, 195360, 200160, 205720, 220176, 226292, 231435, 244640, 246864, 275220, 282865, 293040, 308580, 339438, 366960, 370296, 411440, 440352, 452584, 462870, 493728, 509157, 550440, 565730, 586080, 617160, 678876, 733920, 740592, 822880, 848595, 905168, 925740, 1018314, 1100880, 1131460, 1234320, 1357752, 1481184, 1697190, 1810336, 1851480, 2036628, 2201760, 2262920, 2468640, 2545785, 2715504, 3394380, 3702960, 4073256, 4525840, 5091570, 5431008, 6788760, 7405920, 8146512, 9051680, 10183140, 13577520, 16293024, 20366280, 27155040, 40732560, 81465120]

約数ペア:

[(1, 81465120), (2, 40732560), (3, 27155040), (4, 20366280), (5, 16293024), (6, 13577520), (8, 10183140), (9, 9051680), (10, 8146512), (11, 7405920), (12, 6788760), (15, 5431008), (16, 5091570), (18, 4525840), (20, 4073256), (22, 3702960), (24, 3394380), (30, 2715504), (32, 2545785), (33, 2468640), (36, 2262920), (37, 2201760), (40, 2036628), (44, 1851480), (45, 1810336), (48, 1697190), (55, 1481184), (60, 1357752), (66, 1234320), (72, 1131460), (74, 1100880), (80, 1018314), (88, 925740), (90, 905168), (96, 848595), (99, 822880), (110, 740592), (111, 733920), (120, 678876), (132, 617160), (139, 586080), (144, 565730), (148, 550440), (160, 509157), (165, 493728), (176, 462870), (180, 452584), (185, 440352), (198, 411440), (220, 370296), (222, 366960), (240, 339438), (264, 308580), (278, 293040), (288, 282865), (296, 275220), (330, 246864), (333, 244640), (352, 231435), (360, 226292), (370, 220176), (396, 205720), (407, 200160), (417, 195360), (440, 185148), (444, 183480), (480, 169719), (495, 164576), (528, 154290), (555, 146784), (556, 146520), (592, 137610), (660, 123432), (666, 122320), (695, 117216), (720, 113146), (740, 110088), (792, 102860), (814, 100080), (834, 97680), (880, 92574), (888, 91740), (990, 82288), (1056, 77145), (1110, 73392), (1112, 73260), (1184, 68805), (1221, 66720), (1251, 65120), (1320, 61716), (1332, 61160), (1390, 58608), (1440, 56573), (1480, 55044), (1529, 53280), (1584, 51430), (1628, 50040), (1665, 48928), (1668, 48840), (1760, 46287), (1776, 45870), (1980, 41144), (2035, 40032), (2085, 39072), (2220, 36696), (2224, 36630), (2442, 33360), (2502, 32560), (2640, 30858), (2664, 30580), (2780, 29304), (2960, 27522), (3058, 26640), (3168, 25715), (3256, 25020), (3330, 24464), (3336, 24420), (3552, 22935), (3663, 22240), (3960, 20572), (4070, 20016), (4170, 19536), (4440, 18348), (4448, 18315), (4587, 17760), (4884, 16680), (5004, 16280), (5143, 15840), (5280, 15429), (5328, 15290), (5560, 14652), (5920, 13761), (6105, 13344), (6116, 13320), (6255, 13024), (6512, 12510), (6660, 12232), (6672, 12210), (7326, 11120), (7645, 10656), (7920, 10286), (8140, 10008), (8340, 9768), (8880, 9174)]