204909120

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1$

素因数の和:470

約数の個数: 252

約数和(自身を含む): 765000756

約数和(自身を除く): 560091636

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, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 169, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 338, 360, 390, 416, 421, 468, 480, 507, 520, 576, 585, 624, 676, 720, 780, 832, 842, 845, 936, 960, 1014, 1040, 1170, 1248, 1263, 1352, 1440, 1521, 1560, 1684, 1690, 1872, 2028, 2080, 2105, 2340, 2496, 2526, 2535, 2704, 2880, 3042, 3120, 3368, 3380, 3744, 3789, 4056, 4160, 4210, 4680, 5052, 5070, 5408, 5473, 6084, 6240, 6315, 6736, 6760, 7488, 7578, 7605, 8112, 8420, 9360, 10104, 10140, 10816, 10946, 12168, 12480, 12630, 13472, 13520, 15156, 15210, 16224, 16419, 16840, 18720, 18945, 20208, 20280, 21892, 24336, 25260, 26944, 27040, 27365, 30312, 30420, 32448, 32838, 33680, 37440, 37890, 40416, 40560, 43784, 48672, 49257, 50520, 54080, 54730, 60624, 60840, 65676, 67360, 71149, 75780, 80832, 81120, 82095, 87568, 97344, 98514, 101040, 109460, 121248, 121680, 131352, 134720, 142298, 151560, 162240, 164190, 175136, 197028, 202080, 213447, 218920, 242496, 243360, 246285, 262704, 284596, 303120, 328380, 350272, 355745, 394056, 404160, 426894, 437840, 486720, 492570, 525408, 569192, 606240, 640341, 656760, 711490, 788112, 853788, 875680, 985140, 1050816, 1067235, 1138384, 1212480, 1280682, 1313520, 1422980, 1576224, 1707576, 1751360, 1970280, 2134470, 2276768, 2561364, 2627040, 2845960, 3152448, 3201705, 3415152, 3940560, 4268940, 4553536, 5122728, 5254080, 5691920, 6403410, 6830304, 7881120, 8537880, 10245456, 11383840, 12806820, 13660608, 15762240, 17075760, 20490912, 22767680, 25613640, 34151520, 40981824, 51227280, 68303040, 102454560, 204909120]

約数ペア:

[(1, 204909120), (2, 102454560), (3, 68303040), (4, 51227280), (5, 40981824), (6, 34151520), (8, 25613640), (9, 22767680), (10, 20490912), (12, 17075760), (13, 15762240), (15, 13660608), (16, 12806820), (18, 11383840), (20, 10245456), (24, 8537880), (26, 7881120), (30, 6830304), (32, 6403410), (36, 5691920), (39, 5254080), (40, 5122728), (45, 4553536), (48, 4268940), (52, 3940560), (60, 3415152), (64, 3201705), (65, 3152448), (72, 2845960), (78, 2627040), (80, 2561364), (90, 2276768), (96, 2134470), (104, 1970280), (117, 1751360), (120, 1707576), (130, 1576224), (144, 1422980), (156, 1313520), (160, 1280682), (169, 1212480), (180, 1138384), (192, 1067235), (195, 1050816), (208, 985140), (234, 875680), (240, 853788), (260, 788112), (288, 711490), (312, 656760), (320, 640341), (338, 606240), (360, 569192), (390, 525408), (416, 492570), (421, 486720), (468, 437840), (480, 426894), (507, 404160), (520, 394056), (576, 355745), (585, 350272), (624, 328380), (676, 303120), (720, 284596), (780, 262704), (832, 246285), (842, 243360), (845, 242496), (936, 218920), (960, 213447), (1014, 202080), (1040, 197028), (1170, 175136), (1248, 164190), (1263, 162240), (1352, 151560), (1440, 142298), (1521, 134720), (1560, 131352), (1684, 121680), (1690, 121248), (1872, 109460), (2028, 101040), (2080, 98514), (2105, 97344), (2340, 87568), (2496, 82095), (2526, 81120), (2535, 80832), (2704, 75780), (2880, 71149), (3042, 67360), (3120, 65676), (3368, 60840), (3380, 60624), (3744, 54730), (3789, 54080), (4056, 50520), (4160, 49257), (4210, 48672), (4680, 43784), (5052, 40560), (5070, 40416), (5408, 37890), (5473, 37440), (6084, 33680), (6240, 32838), (6315, 32448), (6736, 30420), (6760, 30312), (7488, 27365), (7578, 27040), (7605, 26944), (8112, 25260), (8420, 24336), (9360, 21892), (10104, 20280), (10140, 20208), (10816, 18945), (10946, 18720), (12168, 16840), (12480, 16419), (12630, 16224), (13472, 15210), (13520, 15156)]