31638240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:321

約数の個数: 144

約数和(自身を含む): 109444608

約数和(自身を除く): 77806368

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, 127, 144, 160, 173, 180, 240, 254, 288, 346, 360, 381, 480, 508, 519, 635, 692, 720, 762, 865, 1016, 1038, 1143, 1270, 1384, 1440, 1524, 1557, 1730, 1905, 2032, 2076, 2286, 2540, 2595, 2768, 3048, 3114, 3460, 3810, 4064, 4152, 4572, 5080, 5190, 5536, 5715, 6096, 6228, 6920, 7620, 7785, 8304, 9144, 10160, 10380, 11430, 12192, 12456, 13840, 15240, 15570, 16608, 18288, 20320, 20760, 21971, 22860, 24912, 27680, 30480, 31140, 36576, 41520, 43942, 45720, 49824, 60960, 62280, 65913, 83040, 87884, 91440, 109855, 124560, 131826, 175768, 182880, 197739, 219710, 249120, 263652, 329565, 351536, 395478, 439420, 527304, 659130, 703072, 790956, 878840, 988695, 1054608, 1318260, 1581912, 1757680, 1977390, 2109216, 2636520, 3163824, 3515360, 3954780, 5273040, 6327648, 7909560, 10546080, 15819120, 31638240]

約数ペア:

[(1, 31638240), (2, 15819120), (3, 10546080), (4, 7909560), (5, 6327648), (6, 5273040), (8, 3954780), (9, 3515360), (10, 3163824), (12, 2636520), (15, 2109216), (16, 1977390), (18, 1757680), (20, 1581912), (24, 1318260), (30, 1054608), (32, 988695), (36, 878840), (40, 790956), (45, 703072), (48, 659130), (60, 527304), (72, 439420), (80, 395478), (90, 351536), (96, 329565), (120, 263652), (127, 249120), (144, 219710), (160, 197739), (173, 182880), (180, 175768), (240, 131826), (254, 124560), (288, 109855), (346, 91440), (360, 87884), (381, 83040), (480, 65913), (508, 62280), (519, 60960), (635, 49824), (692, 45720), (720, 43942), (762, 41520), (865, 36576), (1016, 31140), (1038, 30480), (1143, 27680), (1270, 24912), (1384, 22860), (1440, 21971), (1524, 20760), (1557, 20320), (1730, 18288), (1905, 16608), (2032, 15570), (2076, 15240), (2286, 13840), (2540, 12456), (2595, 12192), (2768, 11430), (3048, 10380), (3114, 10160), (3460, 9144), (3810, 8304), (4064, 7785), (4152, 7620), (4572, 6920), (5080, 6228), (5190, 6096), (5536, 5715)]