989418240

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{3181}}^1$

素因数の和:3217

約数の個数: 216

約数和(自身を含む): 3551188368

約数和(自身を除く): 2561770128

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, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1080, 1152, 1215, 1280, 1296, 1440, 1620, 1728, 1920, 1944, 2160, 2304, 2430, 2592, 2880, 3181, 3240, 3456, 3840, 3888, 4320, 4860, 5184, 5760, 6362, 6480, 6912, 7776, 8640, 9543, 9720, 10368, 11520, 12724, 12960, 15552, 15905, 17280, 19086, 19440, 20736, 25448, 25920, 28629, 31104, 31810, 34560, 38172, 38880, 47715, 50896, 51840, 57258, 62208, 63620, 76344, 77760, 85887, 95430, 101792, 103680, 114516, 127240, 143145, 152688, 155520, 171774, 190860, 203584, 229032, 254480, 257661, 286290, 305376, 311040, 343548, 381720, 407168, 429435, 458064, 508960, 515322, 572580, 610752, 687096, 763440, 772983, 814336, 858870, 916128, 1017920, 1030644, 1145160, 1221504, 1288305, 1374192, 1526880, 1545966, 1717740, 1832256, 2035840, 2061288, 2290320, 2443008, 2576610, 2748384, 3053760, 3091932, 3435480, 3664512, 3864915, 4071680, 4122576, 4580640, 5153220, 5496768, 6107520, 6183864, 6870960, 7329024, 7729830, 8245152, 9161280, 10306440, 10993536, 12215040, 12367728, 13741920, 15459660, 16490304, 18322560, 20612880, 21987072, 24735456, 27483840, 30919320, 32980608, 36645120, 41225760, 49470912, 54967680, 61838640, 65961216, 82451520, 98941824, 109935360, 123677280, 164903040, 197883648, 247354560, 329806080, 494709120, 989418240]

約数ペア:

[(1, 989418240), (2, 494709120), (3, 329806080), (4, 247354560), (5, 197883648), (6, 164903040), (8, 123677280), (9, 109935360), (10, 98941824), (12, 82451520), (15, 65961216), (16, 61838640), (18, 54967680), (20, 49470912), (24, 41225760), (27, 36645120), (30, 32980608), (32, 30919320), (36, 27483840), (40, 24735456), (45, 21987072), (48, 20612880), (54, 18322560), (60, 16490304), (64, 15459660), (72, 13741920), (80, 12367728), (81, 12215040), (90, 10993536), (96, 10306440), (108, 9161280), (120, 8245152), (128, 7729830), (135, 7329024), (144, 6870960), (160, 6183864), (162, 6107520), (180, 5496768), (192, 5153220), (216, 4580640), (240, 4122576), (243, 4071680), (256, 3864915), (270, 3664512), (288, 3435480), (320, 3091932), (324, 3053760), (360, 2748384), (384, 2576610), (405, 2443008), (432, 2290320), (480, 2061288), (486, 2035840), (540, 1832256), (576, 1717740), (640, 1545966), (648, 1526880), (720, 1374192), (768, 1288305), (810, 1221504), (864, 1145160), (960, 1030644), (972, 1017920), (1080, 916128), (1152, 858870), (1215, 814336), (1280, 772983), (1296, 763440), (1440, 687096), (1620, 610752), (1728, 572580), (1920, 515322), (1944, 508960), (2160, 458064), (2304, 429435), (2430, 407168), (2592, 381720), (2880, 343548), (3181, 311040), (3240, 305376), (3456, 286290), (3840, 257661), (3888, 254480), (4320, 229032), (4860, 203584), (5184, 190860), (5760, 171774), (6362, 155520), (6480, 152688), (6912, 143145), (7776, 127240), (8640, 114516), (9543, 103680), (9720, 101792), (10368, 95430), (11520, 85887), (12724, 77760), (12960, 76344), (15552, 63620), (15905, 62208), (17280, 57258), (19086, 51840), (19440, 50896), (20736, 47715), (25448, 38880), (25920, 38172), (28629, 34560), (31104, 31810)]