689101920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:446

約数の個数: 288

約数和(自身を含む): 2560862304

約数和(自身を除く): 1871760384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 131, 144, 156, 160, 180, 195, 208, 234, 240, 260, 262, 281, 288, 312, 360, 390, 393, 416, 468, 480, 520, 524, 562, 585, 624, 655, 720, 780, 786, 843, 936, 1040, 1048, 1124, 1170, 1179, 1248, 1310, 1405, 1440, 1560, 1572, 1686, 1703, 1872, 1965, 2080, 2096, 2248, 2340, 2358, 2529, 2620, 2810, 3120, 3144, 3372, 3406, 3653, 3744, 3930, 4192, 4215, 4496, 4680, 4716, 5058, 5109, 5240, 5620, 5895, 6240, 6288, 6744, 6812, 7306, 7860, 8430, 8515, 8992, 9360, 9432, 10116, 10218, 10480, 10959, 11240, 11790, 12576, 12645, 13488, 13624, 14612, 15327, 15720, 16860, 17030, 18265, 18720, 18864, 20232, 20436, 20960, 21918, 22480, 23580, 25290, 25545, 26976, 27248, 29224, 30654, 31440, 32877, 33720, 34060, 36530, 36811, 37728, 40464, 40872, 43836, 44960, 47160, 50580, 51090, 54496, 54795, 58448, 61308, 62880, 65754, 67440, 68120, 73060, 73622, 76635, 80928, 81744, 87672, 94320, 101160, 102180, 109590, 110433, 116896, 122616, 131508, 134880, 136240, 146120, 147244, 153270, 163488, 164385, 175344, 184055, 188640, 202320, 204360, 219180, 220866, 245232, 263016, 272480, 292240, 294488, 306540, 328770, 331299, 350688, 368110, 404640, 408720, 438360, 441732, 478543, 490464, 526032, 552165, 584480, 588976, 613080, 657540, 662598, 736220, 817440, 876720, 883464, 957086, 1052064, 1104330, 1177952, 1226160, 1315080, 1325196, 1435629, 1472440, 1656495, 1753440, 1766928, 1914172, 2208660, 2392715, 2452320, 2630160, 2650392, 2871258, 2944880, 3312990, 3533856, 3828344, 4306887, 4417320, 4785430, 5260320, 5300784, 5742516, 5889760, 6625980, 7178145, 7656688, 8613774, 8834640, 9570860, 10601568, 11485032, 13251960, 14356290, 15313376, 17227548, 17669280, 19141720, 21534435, 22970064, 26503920, 28712580, 34455096, 38283440, 43068870, 45940128, 53007840, 57425160, 68910192, 76566880, 86137740, 114850320, 137820384, 172275480, 229700640, 344550960, 689101920]

約数ペア:

[(1, 689101920), (2, 344550960), (3, 229700640), (4, 172275480), (5, 137820384), (6, 114850320), (8, 86137740), (9, 76566880), (10, 68910192), (12, 57425160), (13, 53007840), (15, 45940128), (16, 43068870), (18, 38283440), (20, 34455096), (24, 28712580), (26, 26503920), (30, 22970064), (32, 21534435), (36, 19141720), (39, 17669280), (40, 17227548), (45, 15313376), (48, 14356290), (52, 13251960), (60, 11485032), (65, 10601568), (72, 9570860), (78, 8834640), (80, 8613774), (90, 7656688), (96, 7178145), (104, 6625980), (117, 5889760), (120, 5742516), (130, 5300784), (131, 5260320), (144, 4785430), (156, 4417320), (160, 4306887), (180, 3828344), (195, 3533856), (208, 3312990), (234, 2944880), (240, 2871258), (260, 2650392), (262, 2630160), (281, 2452320), (288, 2392715), (312, 2208660), (360, 1914172), (390, 1766928), (393, 1753440), (416, 1656495), (468, 1472440), (480, 1435629), (520, 1325196), (524, 1315080), (562, 1226160), (585, 1177952), (624, 1104330), (655, 1052064), (720, 957086), (780, 883464), (786, 876720), (843, 817440), (936, 736220), (1040, 662598), (1048, 657540), (1124, 613080), (1170, 588976), (1179, 584480), (1248, 552165), (1310, 526032), (1405, 490464), (1440, 478543), (1560, 441732), (1572, 438360), (1686, 408720), (1703, 404640), (1872, 368110), (1965, 350688), (2080, 331299), (2096, 328770), (2248, 306540), (2340, 294488), (2358, 292240), (2529, 272480), (2620, 263016), (2810, 245232), (3120, 220866), (3144, 219180), (3372, 204360), (3406, 202320), (3653, 188640), (3744, 184055), (3930, 175344), (4192, 164385), (4215, 163488), (4496, 153270), (4680, 147244), (4716, 146120), (5058, 136240), (5109, 134880), (5240, 131508), (5620, 122616), (5895, 116896), (6240, 110433), (6288, 109590), (6744, 102180), (6812, 101160), (7306, 94320), (7860, 87672), (8430, 81744), (8515, 80928), (8992, 76635), (9360, 73622), (9432, 73060), (10116, 68120), (10218, 67440), (10480, 65754), (10959, 62880), (11240, 61308), (11790, 58448), (12576, 54795), (12645, 54496), (13488, 51090), (13624, 50580), (14612, 47160), (15327, 44960), (15720, 43836), (16860, 40872), (17030, 40464), (18265, 37728), (18720, 36811), (18864, 36530), (20232, 34060), (20436, 33720), (20960, 32877), (21918, 31440), (22480, 30654), (23580, 29224), (25290, 27248), (25545, 26976)]