204981920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:104

約数の個数: 288

約数和(自身を含む): 623863296

約数和(自身を除く): 418881376

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 17, 20, 22, 26, 31, 32, 34, 40, 44, 52, 55, 62, 65, 68, 80, 85, 88, 104, 110, 124, 130, 136, 143, 155, 160, 170, 176, 187, 208, 220, 221, 248, 260, 272, 286, 289, 310, 340, 341, 352, 374, 403, 416, 440, 442, 496, 520, 527, 544, 572, 578, 620, 680, 682, 715, 748, 806, 880, 884, 935, 992, 1040, 1054, 1105, 1144, 1156, 1240, 1360, 1364, 1430, 1445, 1496, 1612, 1705, 1760, 1768, 1870, 2015, 2080, 2108, 2210, 2288, 2312, 2431, 2480, 2635, 2720, 2728, 2860, 2890, 2992, 3179, 3224, 3410, 3536, 3740, 3757, 4030, 4216, 4420, 4433, 4576, 4624, 4862, 4960, 5270, 5456, 5720, 5780, 5797, 5984, 6358, 6448, 6820, 6851, 7072, 7480, 7514, 8060, 8432, 8840, 8866, 8959, 9248, 9724, 10540, 10912, 11440, 11560, 11594, 12155, 12716, 12896, 13640, 13702, 14960, 15028, 15895, 16120, 16864, 17680, 17732, 17918, 18785, 19448, 21080, 22165, 22880, 23120, 23188, 24310, 25432, 27280, 27404, 28985, 29920, 30056, 31790, 32240, 34255, 35360, 35464, 35836, 37570, 38896, 41327, 42160, 44330, 44795, 46240, 46376, 48620, 50864, 54560, 54808, 57970, 60112, 63580, 64480, 68510, 70928, 71672, 75140, 75361, 77792, 82654, 84320, 88660, 89590, 92752, 97240, 98549, 101728, 109616, 115940, 116467, 120224, 127160, 137020, 141856, 143344, 150280, 150722, 165308, 177320, 179180, 185504, 194480, 197098, 206635, 219232, 231880, 232934, 254320, 274040, 286688, 300560, 301444, 330616, 354640, 358360, 376805, 388960, 394196, 413270, 463760, 465868, 492745, 508640, 548080, 582335, 601120, 602888, 661232, 709280, 716720, 753610, 788392, 826540, 927520, 931736, 985490, 1096160, 1164670, 1205776, 1281137, 1322464, 1433440, 1507220, 1576784, 1653080, 1863472, 1970980, 2329340, 2411552, 2562274, 3014440, 3153568, 3306160, 3726944, 3941960, 4658680, 5124548, 6028880, 6405685, 6612320, 7883920, 9317360, 10249096, 12057760, 12811370, 15767840, 18634720, 20498192, 25622740, 40996384, 51245480, 102490960, 204981920]

約数ペア:

[(1, 204981920), (2, 102490960), (4, 51245480), (5, 40996384), (8, 25622740), (10, 20498192), (11, 18634720), (13, 15767840), (16, 12811370), (17, 12057760), (20, 10249096), (22, 9317360), (26, 7883920), (31, 6612320), (32, 6405685), (34, 6028880), (40, 5124548), (44, 4658680), (52, 3941960), (55, 3726944), (62, 3306160), (65, 3153568), (68, 3014440), (80, 2562274), (85, 2411552), (88, 2329340), (104, 1970980), (110, 1863472), (124, 1653080), (130, 1576784), (136, 1507220), (143, 1433440), (155, 1322464), (160, 1281137), (170, 1205776), (176, 1164670), (187, 1096160), (208, 985490), (220, 931736), (221, 927520), (248, 826540), (260, 788392), (272, 753610), (286, 716720), (289, 709280), (310, 661232), (340, 602888), (341, 601120), (352, 582335), (374, 548080), (403, 508640), (416, 492745), (440, 465868), (442, 463760), (496, 413270), (520, 394196), (527, 388960), (544, 376805), (572, 358360), (578, 354640), (620, 330616), (680, 301444), (682, 300560), (715, 286688), (748, 274040), (806, 254320), (880, 232934), (884, 231880), (935, 219232), (992, 206635), (1040, 197098), (1054, 194480), (1105, 185504), (1144, 179180), (1156, 177320), (1240, 165308), (1360, 150722), (1364, 150280), (1430, 143344), (1445, 141856), (1496, 137020), (1612, 127160), (1705, 120224), (1760, 116467), (1768, 115940), (1870, 109616), (2015, 101728), (2080, 98549), (2108, 97240), (2210, 92752), (2288, 89590), (2312, 88660), (2431, 84320), (2480, 82654), (2635, 77792), (2720, 75361), (2728, 75140), (2860, 71672), (2890, 70928), (2992, 68510), (3179, 64480), (3224, 63580), (3410, 60112), (3536, 57970), (3740, 54808), (3757, 54560), (4030, 50864), (4216, 48620), (4420, 46376), (4433, 46240), (4576, 44795), (4624, 44330), (4862, 42160), (4960, 41327), (5270, 38896), (5456, 37570), (5720, 35836), (5780, 35464), (5797, 35360), (5984, 34255), (6358, 32240), (6448, 31790), (6820, 30056), (6851, 29920), (7072, 28985), (7480, 27404), (7514, 27280), (8060, 25432), (8432, 24310), (8840, 23188), (8866, 23120), (8959, 22880), (9248, 22165), (9724, 21080), (10540, 19448), (10912, 18785), (11440, 17918), (11560, 17732), (11594, 17680), (12155, 16864), (12716, 16120), (12896, 15895), (13640, 15028), (13702, 14960)]