204075480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:530

約数の個数: 256

約数和(自身を含む): 766402560

約数和(自身を除く): 562327080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 31, 34, 35, 40, 42, 51, 56, 60, 62, 68, 70, 84, 85, 93, 102, 105, 119, 120, 124, 136, 140, 155, 168, 170, 186, 204, 210, 217, 238, 248, 255, 280, 310, 340, 357, 372, 408, 420, 434, 461, 465, 476, 510, 527, 595, 620, 651, 680, 714, 744, 840, 868, 922, 930, 952, 1020, 1054, 1085, 1190, 1240, 1302, 1383, 1428, 1581, 1736, 1785, 1844, 1860, 2040, 2108, 2170, 2305, 2380, 2604, 2635, 2766, 2856, 3162, 3227, 3255, 3570, 3688, 3689, 3720, 4216, 4340, 4610, 4760, 5208, 5270, 5532, 6324, 6454, 6510, 6915, 7140, 7378, 7837, 7905, 8680, 9220, 9681, 10540, 11064, 11067, 12648, 12908, 13020, 13830, 14280, 14291, 14756, 15674, 15810, 16135, 18440, 18445, 19362, 21080, 22134, 23511, 25816, 26040, 27660, 28582, 29512, 31348, 31620, 32270, 36890, 38724, 39185, 42873, 44268, 47022, 48405, 54859, 55320, 55335, 57164, 62696, 63240, 64540, 71455, 73780, 77448, 78370, 85746, 88536, 94044, 96810, 100037, 109718, 110670, 114328, 117555, 129080, 142910, 147560, 156740, 164577, 171492, 188088, 193620, 200074, 214365, 219436, 221340, 235110, 242947, 274295, 285820, 300111, 313480, 329154, 342984, 387240, 400148, 428730, 438872, 442680, 470220, 485894, 500185, 548590, 571640, 600222, 658308, 728841, 800296, 822885, 857460, 940440, 971788, 1000370, 1097180, 1200444, 1214735, 1316616, 1457682, 1500555, 1645770, 1700629, 1714920, 1943576, 2000740, 2194360, 2400888, 2429470, 2915364, 3001110, 3291540, 3401258, 3644205, 4001480, 4858940, 5101887, 5830728, 6002220, 6583080, 6802516, 7288410, 8503145, 9717880, 10203774, 12004440, 13605032, 14576820, 17006290, 20407548, 25509435, 29153640, 34012580, 40815096, 51018870, 68025160, 102037740, 204075480]

約数ペア:

[(1, 204075480), (2, 102037740), (3, 68025160), (4, 51018870), (5, 40815096), (6, 34012580), (7, 29153640), (8, 25509435), (10, 20407548), (12, 17006290), (14, 14576820), (15, 13605032), (17, 12004440), (20, 10203774), (21, 9717880), (24, 8503145), (28, 7288410), (30, 6802516), (31, 6583080), (34, 6002220), (35, 5830728), (40, 5101887), (42, 4858940), (51, 4001480), (56, 3644205), (60, 3401258), (62, 3291540), (68, 3001110), (70, 2915364), (84, 2429470), (85, 2400888), (93, 2194360), (102, 2000740), (105, 1943576), (119, 1714920), (120, 1700629), (124, 1645770), (136, 1500555), (140, 1457682), (155, 1316616), (168, 1214735), (170, 1200444), (186, 1097180), (204, 1000370), (210, 971788), (217, 940440), (238, 857460), (248, 822885), (255, 800296), (280, 728841), (310, 658308), (340, 600222), (357, 571640), (372, 548590), (408, 500185), (420, 485894), (434, 470220), (461, 442680), (465, 438872), (476, 428730), (510, 400148), (527, 387240), (595, 342984), (620, 329154), (651, 313480), (680, 300111), (714, 285820), (744, 274295), (840, 242947), (868, 235110), (922, 221340), (930, 219436), (952, 214365), (1020, 200074), (1054, 193620), (1085, 188088), (1190, 171492), (1240, 164577), (1302, 156740), (1383, 147560), (1428, 142910), (1581, 129080), (1736, 117555), (1785, 114328), (1844, 110670), (1860, 109718), (2040, 100037), (2108, 96810), (2170, 94044), (2305, 88536), (2380, 85746), (2604, 78370), (2635, 77448), (2766, 73780), (2856, 71455), (3162, 64540), (3227, 63240), (3255, 62696), (3570, 57164), (3688, 55335), (3689, 55320), (3720, 54859), (4216, 48405), (4340, 47022), (4610, 44268), (4760, 42873), (5208, 39185), (5270, 38724), (5532, 36890), (6324, 32270), (6454, 31620), (6510, 31348), (6915, 29512), (7140, 28582), (7378, 27660), (7837, 26040), (7905, 25816), (8680, 23511), (9220, 22134), (9681, 21080), (10540, 19362), (11064, 18445), (11067, 18440), (12648, 16135), (12908, 15810), (13020, 15674), (13830, 14756), (14280, 14291)]