1640242080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1777}}^1$

素因数の和:2439

約数の個数: 144

約数和(自身を含む): 5609213064

約数和(自身を除く): 3968970984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 641, 720, 1282, 1440, 1777, 1923, 2564, 3205, 3554, 3846, 5128, 5331, 5769, 6410, 7108, 7692, 8885, 9615, 10256, 10662, 11538, 12820, 14216, 15384, 15993, 17770, 19230, 20512, 21324, 23076, 25640, 26655, 28432, 28845, 30768, 31986, 35540, 38460, 42648, 46152, 51280, 53310, 56864, 57690, 61536, 63972, 71080, 76920, 79965, 85296, 92304, 102560, 106620, 115380, 127944, 142160, 153840, 159930, 170592, 184608, 213240, 230760, 255888, 284320, 307680, 319860, 426480, 461520, 511776, 639720, 852960, 923040, 1139057, 1279440, 2278114, 2558880, 3417171, 4556228, 5695285, 6834342, 9112456, 10251513, 11390570, 13668684, 17085855, 18224912, 20503026, 22781140, 27337368, 34171710, 36449824, 41006052, 45562280, 51257565, 54674736, 68343420, 82012104, 91124560, 102515130, 109349472, 136686840, 164024208, 182249120, 205030260, 273373680, 328048416, 410060520, 546747360, 820121040, 1640242080]

約数ペア:

[(1, 1640242080), (2, 820121040), (3, 546747360), (4, 410060520), (5, 328048416), (6, 273373680), (8, 205030260), (9, 182249120), (10, 164024208), (12, 136686840), (15, 109349472), (16, 102515130), (18, 91124560), (20, 82012104), (24, 68343420), (30, 54674736), (32, 51257565), (36, 45562280), (40, 41006052), (45, 36449824), (48, 34171710), (60, 27337368), (72, 22781140), (80, 20503026), (90, 18224912), (96, 17085855), (120, 13668684), (144, 11390570), (160, 10251513), (180, 9112456), (240, 6834342), (288, 5695285), (360, 4556228), (480, 3417171), (641, 2558880), (720, 2278114), (1282, 1279440), (1440, 1139057), (1777, 923040), (1923, 852960), (2564, 639720), (3205, 511776), (3554, 461520), (3846, 426480), (5128, 319860), (5331, 307680), (5769, 284320), (6410, 255888), (7108, 230760), (7692, 213240), (8885, 184608), (9615, 170592), (10256, 159930), (10662, 153840), (11538, 142160), (12820, 127944), (14216, 115380), (15384, 106620), (15993, 102560), (17770, 92304), (19230, 85296), (20512, 79965), (21324, 76920), (23076, 71080), (25640, 63972), (26655, 61536), (28432, 57690), (28845, 56864), (30768, 53310), (31986, 51280), (35540, 46152), (38460, 42648)]