205161840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{953}}^1$

素因数の和:1008

約数の個数: 240

約数和(自身を含む): 775075392

約数和(自身を除く): 569913552

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 48, 52, 60, 65, 69, 72, 78, 80, 90, 92, 104, 115, 117, 120, 130, 138, 144, 156, 180, 184, 195, 207, 208, 230, 234, 240, 260, 276, 299, 312, 345, 360, 368, 390, 414, 460, 468, 520, 552, 585, 598, 624, 690, 720, 780, 828, 897, 920, 936, 953, 1035, 1040, 1104, 1170, 1196, 1380, 1495, 1560, 1656, 1794, 1840, 1872, 1906, 2070, 2340, 2392, 2691, 2760, 2859, 2990, 3120, 3312, 3588, 3812, 4140, 4485, 4680, 4765, 4784, 5382, 5520, 5718, 5980, 7176, 7624, 8280, 8577, 8970, 9360, 9530, 10764, 11436, 11960, 12389, 13455, 14295, 14352, 15248, 16560, 17154, 17940, 19060, 21528, 21919, 22872, 23920, 24778, 26910, 28590, 34308, 35880, 37167, 38120, 42885, 43056, 43838, 45744, 49556, 53820, 57180, 61945, 65757, 68616, 71760, 74334, 76240, 85770, 87676, 99112, 107640, 109595, 111501, 114360, 123890, 131514, 137232, 148668, 171540, 175352, 185835, 197271, 198224, 215280, 219190, 223002, 228720, 247780, 263028, 284947, 297336, 328785, 343080, 350704, 371670, 394542, 438380, 446004, 495560, 526056, 557505, 569894, 594672, 657570, 686160, 743340, 789084, 854841, 876760, 892008, 986355, 991120, 1052112, 1115010, 1139788, 1315140, 1424735, 1486680, 1578168, 1709682, 1753520, 1784016, 1972710, 2230020, 2279576, 2564523, 2630280, 2849470, 2973360, 3156336, 3419364, 3945420, 4274205, 4460040, 4559152, 5129046, 5260560, 5698940, 6838728, 7890840, 8548410, 8920080, 10258092, 11397880, 12822615, 13677456, 15781680, 17096820, 20516184, 22795760, 25645230, 34193640, 41032368, 51290460, 68387280, 102580920, 205161840]

約数ペア:

[(1, 205161840), (2, 102580920), (3, 68387280), (4, 51290460), (5, 41032368), (6, 34193640), (8, 25645230), (9, 22795760), (10, 20516184), (12, 17096820), (13, 15781680), (15, 13677456), (16, 12822615), (18, 11397880), (20, 10258092), (23, 8920080), (24, 8548410), (26, 7890840), (30, 6838728), (36, 5698940), (39, 5260560), (40, 5129046), (45, 4559152), (46, 4460040), (48, 4274205), (52, 3945420), (60, 3419364), (65, 3156336), (69, 2973360), (72, 2849470), (78, 2630280), (80, 2564523), (90, 2279576), (92, 2230020), (104, 1972710), (115, 1784016), (117, 1753520), (120, 1709682), (130, 1578168), (138, 1486680), (144, 1424735), (156, 1315140), (180, 1139788), (184, 1115010), (195, 1052112), (207, 991120), (208, 986355), (230, 892008), (234, 876760), (240, 854841), (260, 789084), (276, 743340), (299, 686160), (312, 657570), (345, 594672), (360, 569894), (368, 557505), (390, 526056), (414, 495560), (460, 446004), (468, 438380), (520, 394542), (552, 371670), (585, 350704), (598, 343080), (624, 328785), (690, 297336), (720, 284947), (780, 263028), (828, 247780), (897, 228720), (920, 223002), (936, 219190), (953, 215280), (1035, 198224), (1040, 197271), (1104, 185835), (1170, 175352), (1196, 171540), (1380, 148668), (1495, 137232), (1560, 131514), (1656, 123890), (1794, 114360), (1840, 111501), (1872, 109595), (1906, 107640), (2070, 99112), (2340, 87676), (2392, 85770), (2691, 76240), (2760, 74334), (2859, 71760), (2990, 68616), (3120, 65757), (3312, 61945), (3588, 57180), (3812, 53820), (4140, 49556), (4485, 45744), (4680, 43838), (4765, 43056), (4784, 42885), (5382, 38120), (5520, 37167), (5718, 35880), (5980, 34308), (7176, 28590), (7624, 26910), (8280, 24778), (8577, 23920), (8970, 22872), (9360, 21919), (9530, 21528), (10764, 19060), (11436, 17940), (11960, 17154), (12389, 16560), (13455, 15248), (14295, 14352)]