255541680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^2$

素因数の和:264

約数の個数: 180

約数和(自身を含む): 894234432

約数和(自身を除く): 638692752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 107, 120, 124, 144, 155, 180, 186, 214, 240, 248, 279, 310, 321, 360, 372, 428, 465, 496, 535, 558, 620, 642, 720, 744, 856, 930, 963, 1070, 1116, 1240, 1284, 1395, 1488, 1605, 1712, 1860, 1926, 2140, 2232, 2480, 2568, 2790, 3210, 3317, 3720, 3852, 4280, 4464, 4815, 5136, 5580, 6420, 6634, 7440, 7704, 8560, 9630, 9951, 11160, 11449, 12840, 13268, 15408, 16585, 19260, 19902, 22320, 22898, 25680, 26536, 29853, 33170, 34347, 38520, 39804, 45796, 49755, 53072, 57245, 59706, 66340, 68694, 77040, 79608, 91592, 99510, 103041, 114490, 119412, 132680, 137388, 149265, 159216, 171735, 183184, 199020, 206082, 228980, 238824, 265360, 274776, 298530, 343470, 354919, 398040, 412164, 457960, 477648, 515205, 549552, 597060, 686940, 709838, 796080, 824328, 915920, 1030410, 1064757, 1194120, 1373880, 1419676, 1648656, 1774595, 2060820, 2129514, 2388240, 2747760, 2839352, 3194271, 3549190, 4121640, 4259028, 5323785, 5678704, 6388542, 7098380, 8243280, 8518056, 10647570, 12777084, 14196760, 15971355, 17036112, 21295140, 25554168, 28393520, 31942710, 42590280, 51108336, 63885420, 85180560, 127770840, 255541680]

約数ペア:

[(1, 255541680), (2, 127770840), (3, 85180560), (4, 63885420), (5, 51108336), (6, 42590280), (8, 31942710), (9, 28393520), (10, 25554168), (12, 21295140), (15, 17036112), (16, 15971355), (18, 14196760), (20, 12777084), (24, 10647570), (30, 8518056), (31, 8243280), (36, 7098380), (40, 6388542), (45, 5678704), (48, 5323785), (60, 4259028), (62, 4121640), (72, 3549190), (80, 3194271), (90, 2839352), (93, 2747760), (107, 2388240), (120, 2129514), (124, 2060820), (144, 1774595), (155, 1648656), (180, 1419676), (186, 1373880), (214, 1194120), (240, 1064757), (248, 1030410), (279, 915920), (310, 824328), (321, 796080), (360, 709838), (372, 686940), (428, 597060), (465, 549552), (496, 515205), (535, 477648), (558, 457960), (620, 412164), (642, 398040), (720, 354919), (744, 343470), (856, 298530), (930, 274776), (963, 265360), (1070, 238824), (1116, 228980), (1240, 206082), (1284, 199020), (1395, 183184), (1488, 171735), (1605, 159216), (1712, 149265), (1860, 137388), (1926, 132680), (2140, 119412), (2232, 114490), (2480, 103041), (2568, 99510), (2790, 91592), (3210, 79608), (3317, 77040), (3720, 68694), (3852, 66340), (4280, 59706), (4464, 57245), (4815, 53072), (5136, 49755), (5580, 45796), (6420, 39804), (6634, 38520), (7440, 34347), (7704, 33170), (8560, 29853), (9630, 26536), (9951, 25680), (11160, 22898), (11449, 22320), (12840, 19902), (13268, 19260), (15408, 16585)]