1285651840

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 256

約数和(自身を含む): 3567421440

約数和(自身を除く): 2281769600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 43, 44, 55, 62, 64, 80, 86, 88, 110, 124, 128, 137, 155, 160, 172, 176, 215, 220, 248, 274, 310, 320, 341, 344, 352, 430, 440, 473, 496, 548, 620, 640, 682, 685, 688, 704, 860, 880, 946, 992, 1096, 1240, 1333, 1364, 1370, 1376, 1408, 1507, 1705, 1720, 1760, 1892, 1984, 2192, 2365, 2480, 2666, 2728, 2740, 2752, 3014, 3410, 3440, 3520, 3784, 3968, 4247, 4384, 4730, 4960, 5332, 5456, 5480, 5504, 5891, 6028, 6665, 6820, 6880, 7040, 7535, 7568, 8494, 8768, 9460, 9920, 10664, 10912, 10960, 11782, 12056, 13330, 13640, 13760, 14663, 15070, 15136, 16988, 17536, 18920, 19840, 21235, 21328, 21824, 21920, 23564, 24112, 26660, 27280, 27520, 29326, 29455, 30140, 30272, 33976, 37840, 42470, 42656, 43648, 43840, 46717, 47128, 48224, 53320, 54560, 58652, 58910, 60280, 60544, 64801, 67952, 73315, 75680, 84940, 85312, 87680, 93434, 94256, 96448, 106640, 109120, 117304, 117820, 120560, 129602, 135904, 146630, 151360, 169880, 170624, 182621, 186868, 188512, 192896, 213280, 218240, 233585, 234608, 235640, 241120, 259204, 271808, 293260, 302720, 324005, 339760, 365242, 373736, 377024, 426560, 467170, 469216, 471280, 482240, 518408, 543616, 586520, 648010, 679520, 730484, 747472, 754048, 853120, 913105, 934340, 938432, 942560, 964480, 1036816, 1173040, 1296020, 1359040, 1460968, 1494944, 1826210, 1868680, 1876864, 1885120, 2008831, 2073632, 2346080, 2592040, 2718080, 2921936, 2989888, 3652420, 3737360, 3770240, 4017662, 4147264, 4692160, 5184080, 5843872, 5979776, 7304840, 7474720, 8035324, 8294528, 9384320, 10044155, 10368160, 11687744, 14609680, 14949440, 16070648, 20088310, 20736320, 23375488, 29219360, 29898880, 32141296, 40176620, 41472640, 58438720, 64282592, 80353240, 116877440, 128565184, 160706480, 257130368, 321412960, 642825920, 1285651840]

約数ペア:

[(1, 1285651840), (2, 642825920), (4, 321412960), (5, 257130368), (8, 160706480), (10, 128565184), (11, 116877440), (16, 80353240), (20, 64282592), (22, 58438720), (31, 41472640), (32, 40176620), (40, 32141296), (43, 29898880), (44, 29219360), (55, 23375488), (62, 20736320), (64, 20088310), (80, 16070648), (86, 14949440), (88, 14609680), (110, 11687744), (124, 10368160), (128, 10044155), (137, 9384320), (155, 8294528), (160, 8035324), (172, 7474720), (176, 7304840), (215, 5979776), (220, 5843872), (248, 5184080), (274, 4692160), (310, 4147264), (320, 4017662), (341, 3770240), (344, 3737360), (352, 3652420), (430, 2989888), (440, 2921936), (473, 2718080), (496, 2592040), (548, 2346080), (620, 2073632), (640, 2008831), (682, 1885120), (685, 1876864), (688, 1868680), (704, 1826210), (860, 1494944), (880, 1460968), (946, 1359040), (992, 1296020), (1096, 1173040), (1240, 1036816), (1333, 964480), (1364, 942560), (1370, 938432), (1376, 934340), (1408, 913105), (1507, 853120), (1705, 754048), (1720, 747472), (1760, 730484), (1892, 679520), (1984, 648010), (2192, 586520), (2365, 543616), (2480, 518408), (2666, 482240), (2728, 471280), (2740, 469216), (2752, 467170), (3014, 426560), (3410, 377024), (3440, 373736), (3520, 365242), (3784, 339760), (3968, 324005), (4247, 302720), (4384, 293260), (4730, 271808), (4960, 259204), (5332, 241120), (5456, 235640), (5480, 234608), (5504, 233585), (5891, 218240), (6028, 213280), (6665, 192896), (6820, 188512), (6880, 186868), (7040, 182621), (7535, 170624), (7568, 169880), (8494, 151360), (8768, 146630), (9460, 135904), (9920, 129602), (10664, 120560), (10912, 117820), (10960, 117304), (11782, 109120), (12056, 106640), (13330, 96448), (13640, 94256), (13760, 93434), (14663, 87680), (15070, 85312), (15136, 84940), (16988, 75680), (17536, 73315), (18920, 67952), (19840, 64801), (21235, 60544), (21328, 60280), (21824, 58910), (21920, 58652), (23564, 54560), (24112, 53320), (26660, 48224), (27280, 47128), (27520, 46717), (29326, 43840), (29455, 43648), (30140, 42656), (30272, 42470), (33976, 37840)]