998859120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:728

約数の個数: 240

約数和(自身を含む): 3631651488

約数和(自身を除く): 2632792368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 157, 168, 196, 210, 240, 245, 280, 294, 314, 336, 392, 420, 471, 490, 541, 560, 588, 628, 735, 784, 785, 840, 942, 980, 1082, 1099, 1176, 1256, 1470, 1570, 1623, 1680, 1884, 1960, 2164, 2198, 2352, 2355, 2512, 2705, 2940, 3140, 3246, 3297, 3768, 3787, 3920, 4328, 4396, 4710, 5410, 5495, 5880, 6280, 6492, 6594, 7536, 7574, 7693, 8115, 8656, 8792, 9420, 10820, 10990, 11361, 11760, 12560, 12984, 13188, 15148, 15386, 16230, 16485, 17584, 18840, 18935, 21640, 21980, 22722, 23079, 25968, 26376, 26509, 30296, 30772, 32460, 32970, 37680, 37870, 38465, 43280, 43960, 45444, 46158, 52752, 53018, 56805, 60592, 61544, 64920, 65940, 75740, 76930, 79527, 84937, 87920, 90888, 92316, 106036, 113610, 115395, 123088, 129840, 131880, 132545, 151480, 153860, 159054, 169874, 181776, 184632, 212072, 227220, 230790, 254811, 263760, 265090, 302960, 307720, 318108, 339748, 369264, 397635, 424144, 424685, 454440, 461580, 509622, 530180, 594559, 615440, 636216, 679496, 795270, 849370, 908880, 923160, 1019244, 1060360, 1189118, 1272432, 1274055, 1358992, 1590540, 1698740, 1783677, 1846320, 2038488, 2120720, 2378236, 2548110, 2972795, 3181080, 3397480, 3567354, 4076976, 4161913, 4756472, 5096220, 5945590, 6362160, 6794960, 7134708, 8323826, 8918385, 9512944, 10192440, 11891180, 12485739, 14269416, 16647652, 17836770, 20384880, 20809565, 23782360, 24971478, 28538832, 33295304, 35673540, 41619130, 47564720, 49942956, 62428695, 66590608, 71347080, 83238260, 99885912, 124857390, 142694160, 166476520, 199771824, 249714780, 332953040, 499429560, 998859120]

約数ペア:

[(1, 998859120), (2, 499429560), (3, 332953040), (4, 249714780), (5, 199771824), (6, 166476520), (7, 142694160), (8, 124857390), (10, 99885912), (12, 83238260), (14, 71347080), (15, 66590608), (16, 62428695), (20, 49942956), (21, 47564720), (24, 41619130), (28, 35673540), (30, 33295304), (35, 28538832), (40, 24971478), (42, 23782360), (48, 20809565), (49, 20384880), (56, 17836770), (60, 16647652), (70, 14269416), (80, 12485739), (84, 11891180), (98, 10192440), (105, 9512944), (112, 8918385), (120, 8323826), (140, 7134708), (147, 6794960), (157, 6362160), (168, 5945590), (196, 5096220), (210, 4756472), (240, 4161913), (245, 4076976), (280, 3567354), (294, 3397480), (314, 3181080), (336, 2972795), (392, 2548110), (420, 2378236), (471, 2120720), (490, 2038488), (541, 1846320), (560, 1783677), (588, 1698740), (628, 1590540), (735, 1358992), (784, 1274055), (785, 1272432), (840, 1189118), (942, 1060360), (980, 1019244), (1082, 923160), (1099, 908880), (1176, 849370), (1256, 795270), (1470, 679496), (1570, 636216), (1623, 615440), (1680, 594559), (1884, 530180), (1960, 509622), (2164, 461580), (2198, 454440), (2352, 424685), (2355, 424144), (2512, 397635), (2705, 369264), (2940, 339748), (3140, 318108), (3246, 307720), (3297, 302960), (3768, 265090), (3787, 263760), (3920, 254811), (4328, 230790), (4396, 227220), (4710, 212072), (5410, 184632), (5495, 181776), (5880, 169874), (6280, 159054), (6492, 153860), (6594, 151480), (7536, 132545), (7574, 131880), (7693, 129840), (8115, 123088), (8656, 115395), (8792, 113610), (9420, 106036), (10820, 92316), (10990, 90888), (11361, 87920), (11760, 84937), (12560, 79527), (12984, 76930), (13188, 75740), (15148, 65940), (15386, 64920), (16230, 61544), (16485, 60592), (17584, 56805), (18840, 53018), (18935, 52752), (21640, 46158), (21980, 45444), (22722, 43960), (23079, 43280), (25968, 38465), (26376, 37870), (26509, 37680), (30296, 32970), (30772, 32460)]