129438720

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{53}}^2$

素因数の和:137

約数の個数: 198

約数和(自身を含む): 457123758

約数和(自身を除く): 327685038

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 106, 120, 128, 144, 159, 160, 180, 192, 212, 240, 256, 265, 288, 318, 320, 360, 384, 424, 477, 480, 512, 530, 576, 636, 640, 720, 768, 795, 848, 954, 960, 1024, 1060, 1152, 1272, 1280, 1440, 1536, 1590, 1696, 1908, 1920, 2120, 2304, 2385, 2544, 2560, 2809, 2880, 3072, 3180, 3392, 3816, 3840, 4240, 4608, 4770, 5088, 5120, 5618, 5760, 6360, 6784, 7632, 7680, 8427, 8480, 9216, 9540, 10176, 11236, 11520, 12720, 13568, 14045, 15264, 15360, 16854, 16960, 19080, 20352, 22472, 23040, 25281, 25440, 27136, 28090, 30528, 33708, 33920, 38160, 40704, 42135, 44944, 46080, 50562, 50880, 54272, 56180, 61056, 67416, 67840, 76320, 81408, 84270, 89888, 101124, 101760, 112360, 122112, 126405, 134832, 135680, 152640, 162816, 168540, 179776, 202248, 203520, 224720, 244224, 252810, 269664, 271360, 305280, 337080, 359552, 404496, 407040, 449440, 488448, 505620, 539328, 610560, 674160, 719104, 808992, 814080, 898880, 1011240, 1078656, 1221120, 1348320, 1438208, 1617984, 1797760, 2022480, 2157312, 2442240, 2696640, 2876416, 3235968, 3595520, 4044960, 4314624, 5393280, 6471936, 7191040, 8089920, 8629248, 10786560, 12943872, 14382080, 16179840, 21573120, 25887744, 32359680, 43146240, 64719360, 129438720]

約数ペア:

[(1, 129438720), (2, 64719360), (3, 43146240), (4, 32359680), (5, 25887744), (6, 21573120), (8, 16179840), (9, 14382080), (10, 12943872), (12, 10786560), (15, 8629248), (16, 8089920), (18, 7191040), (20, 6471936), (24, 5393280), (30, 4314624), (32, 4044960), (36, 3595520), (40, 3235968), (45, 2876416), (48, 2696640), (53, 2442240), (60, 2157312), (64, 2022480), (72, 1797760), (80, 1617984), (90, 1438208), (96, 1348320), (106, 1221120), (120, 1078656), (128, 1011240), (144, 898880), (159, 814080), (160, 808992), (180, 719104), (192, 674160), (212, 610560), (240, 539328), (256, 505620), (265, 488448), (288, 449440), (318, 407040), (320, 404496), (360, 359552), (384, 337080), (424, 305280), (477, 271360), (480, 269664), (512, 252810), (530, 244224), (576, 224720), (636, 203520), (640, 202248), (720, 179776), (768, 168540), (795, 162816), (848, 152640), (954, 135680), (960, 134832), (1024, 126405), (1060, 122112), (1152, 112360), (1272, 101760), (1280, 101124), (1440, 89888), (1536, 84270), (1590, 81408), (1696, 76320), (1908, 67840), (1920, 67416), (2120, 61056), (2304, 56180), (2385, 54272), (2544, 50880), (2560, 50562), (2809, 46080), (2880, 44944), (3072, 42135), (3180, 40704), (3392, 38160), (3816, 33920), (3840, 33708), (4240, 30528), (4608, 28090), (4770, 27136), (5088, 25440), (5120, 25281), (5618, 23040), (5760, 22472), (6360, 20352), (6784, 19080), (7632, 16960), (7680, 16854), (8427, 15360), (8480, 15264), (9216, 14045), (9540, 13568), (10176, 12720), (11236, 11520)]