638979840

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{6163}}^1$

素因数の和:6196

約数の個数: 180

約数和(自身を含む): 2286757704

約数和(自身を除く): 1647777864

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1620, 1728, 1920, 2160, 2304, 2592, 2880, 3240, 3456, 3840, 4320, 5184, 5760, 6163, 6480, 6912, 8640, 10368, 11520, 12326, 12960, 17280, 18489, 20736, 24652, 25920, 30815, 34560, 36978, 49304, 51840, 55467, 61630, 73956, 92445, 98608, 103680, 110934, 123260, 147912, 166401, 184890, 197216, 221868, 246520, 277335, 295824, 332802, 369780, 394432, 443736, 493040, 499203, 554670, 591648, 665604, 739560, 788864, 832005, 887472, 986080, 998406, 1109340, 1183296, 1331208, 1479120, 1577728, 1664010, 1774944, 1972160, 1996812, 2218680, 2366592, 2496015, 2662416, 2958240, 3328020, 3549888, 3944320, 3993624, 4437360, 4733184, 4992030, 5324832, 5916480, 6656040, 7099776, 7888640, 7987248, 8874720, 9984060, 10649664, 11832960, 13312080, 14199552, 15974496, 17749440, 19968120, 21299328, 23665920, 26624160, 31948992, 35498880, 39936240, 42598656, 53248320, 63897984, 70997760, 79872480, 106496640, 127795968, 159744960, 212993280, 319489920, 638979840]

約数ペア:

[(1, 638979840), (2, 319489920), (3, 212993280), (4, 159744960), (5, 127795968), (6, 106496640), (8, 79872480), (9, 70997760), (10, 63897984), (12, 53248320), (15, 42598656), (16, 39936240), (18, 35498880), (20, 31948992), (24, 26624160), (27, 23665920), (30, 21299328), (32, 19968120), (36, 17749440), (40, 15974496), (45, 14199552), (48, 13312080), (54, 11832960), (60, 10649664), (64, 9984060), (72, 8874720), (80, 7987248), (81, 7888640), (90, 7099776), (96, 6656040), (108, 5916480), (120, 5324832), (128, 4992030), (135, 4733184), (144, 4437360), (160, 3993624), (162, 3944320), (180, 3549888), (192, 3328020), (216, 2958240), (240, 2662416), (256, 2496015), (270, 2366592), (288, 2218680), (320, 1996812), (324, 1972160), (360, 1774944), (384, 1664010), (405, 1577728), (432, 1479120), (480, 1331208), (540, 1183296), (576, 1109340), (640, 998406), (648, 986080), (720, 887472), (768, 832005), (810, 788864), (864, 739560), (960, 665604), (1080, 591648), (1152, 554670), (1280, 499203), (1296, 493040), (1440, 443736), (1620, 394432), (1728, 369780), (1920, 332802), (2160, 295824), (2304, 277335), (2592, 246520), (2880, 221868), (3240, 197216), (3456, 184890), (3840, 166401), (4320, 147912), (5184, 123260), (5760, 110934), (6163, 103680), (6480, 98608), (6912, 92445), (8640, 73956), (10368, 61630), (11520, 55467), (12326, 51840), (12960, 49304), (17280, 36978), (18489, 34560), (20736, 30815), (24652, 25920)]