217428640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 288

約数和(自身を含む): 657429696

約数和(自身を除く): 440001056

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 17, 20, 22, 26, 32, 34, 40, 43, 44, 52, 55, 65, 68, 80, 85, 86, 88, 104, 110, 130, 136, 143, 160, 169, 170, 172, 176, 187, 208, 215, 220, 221, 260, 272, 286, 338, 340, 344, 352, 374, 416, 430, 440, 442, 473, 520, 544, 559, 572, 676, 680, 688, 715, 731, 748, 845, 860, 880, 884, 935, 946, 1040, 1105, 1118, 1144, 1352, 1360, 1376, 1430, 1462, 1496, 1690, 1720, 1760, 1768, 1859, 1870, 1892, 2080, 2210, 2236, 2288, 2365, 2431, 2704, 2720, 2795, 2860, 2873, 2924, 2992, 3380, 3440, 3536, 3655, 3718, 3740, 3784, 4420, 4472, 4576, 4730, 4862, 5408, 5590, 5720, 5746, 5848, 5984, 6149, 6760, 6880, 7072, 7267, 7310, 7436, 7480, 7568, 8041, 8840, 8944, 9295, 9460, 9503, 9724, 11180, 11440, 11492, 11696, 12155, 12298, 13520, 14365, 14534, 14620, 14872, 14960, 15136, 16082, 17680, 17888, 18590, 18920, 19006, 19448, 22360, 22880, 22984, 23392, 24310, 24596, 27040, 28730, 29068, 29240, 29744, 29920, 30745, 31603, 32164, 35360, 36335, 37180, 37840, 38012, 38896, 40205, 44720, 45968, 47515, 48620, 49192, 57460, 58136, 58480, 59488, 61490, 63206, 64328, 72670, 74360, 75680, 76024, 77792, 79937, 80410, 89440, 91936, 95030, 97240, 98384, 104533, 114920, 116272, 116960, 122980, 123539, 126412, 128656, 145340, 148720, 152048, 158015, 159874, 160820, 190060, 194480, 196768, 209066, 229840, 232544, 245960, 247078, 252824, 257312, 290680, 297440, 304096, 316030, 319748, 321640, 380120, 388960, 399685, 418132, 459680, 491920, 494156, 505648, 522665, 581360, 617695, 632060, 639496, 643280, 760240, 799370, 836264, 983840, 988312, 1011296, 1045330, 1162720, 1235390, 1264120, 1278992, 1286560, 1358929, 1520480, 1598740, 1672528, 1976624, 2090660, 2470780, 2528240, 2557984, 2717858, 3197480, 3345056, 3953248, 4181320, 4941560, 5056480, 5435716, 6394960, 6794645, 8362640, 9883120, 10871432, 12789920, 13589290, 16725280, 19766240, 21742864, 27178580, 43485728, 54357160, 108714320, 217428640]

約数ペア:

[(1, 217428640), (2, 108714320), (4, 54357160), (5, 43485728), (8, 27178580), (10, 21742864), (11, 19766240), (13, 16725280), (16, 13589290), (17, 12789920), (20, 10871432), (22, 9883120), (26, 8362640), (32, 6794645), (34, 6394960), (40, 5435716), (43, 5056480), (44, 4941560), (52, 4181320), (55, 3953248), (65, 3345056), (68, 3197480), (80, 2717858), (85, 2557984), (86, 2528240), (88, 2470780), (104, 2090660), (110, 1976624), (130, 1672528), (136, 1598740), (143, 1520480), (160, 1358929), (169, 1286560), (170, 1278992), (172, 1264120), (176, 1235390), (187, 1162720), (208, 1045330), (215, 1011296), (220, 988312), (221, 983840), (260, 836264), (272, 799370), (286, 760240), (338, 643280), (340, 639496), (344, 632060), (352, 617695), (374, 581360), (416, 522665), (430, 505648), (440, 494156), (442, 491920), (473, 459680), (520, 418132), (544, 399685), (559, 388960), (572, 380120), (676, 321640), (680, 319748), (688, 316030), (715, 304096), (731, 297440), (748, 290680), (845, 257312), (860, 252824), (880, 247078), (884, 245960), (935, 232544), (946, 229840), (1040, 209066), (1105, 196768), (1118, 194480), (1144, 190060), (1352, 160820), (1360, 159874), (1376, 158015), (1430, 152048), (1462, 148720), (1496, 145340), (1690, 128656), (1720, 126412), (1760, 123539), (1768, 122980), (1859, 116960), (1870, 116272), (1892, 114920), (2080, 104533), (2210, 98384), (2236, 97240), (2288, 95030), (2365, 91936), (2431, 89440), (2704, 80410), (2720, 79937), (2795, 77792), (2860, 76024), (2873, 75680), (2924, 74360), (2992, 72670), (3380, 64328), (3440, 63206), (3536, 61490), (3655, 59488), (3718, 58480), (3740, 58136), (3784, 57460), (4420, 49192), (4472, 48620), (4576, 47515), (4730, 45968), (4862, 44720), (5408, 40205), (5590, 38896), (5720, 38012), (5746, 37840), (5848, 37180), (5984, 36335), (6149, 35360), (6760, 32164), (6880, 31603), (7072, 30745), (7267, 29920), (7310, 29744), (7436, 29240), (7480, 29068), (7568, 28730), (8041, 27040), (8840, 24596), (8944, 24310), (9295, 23392), (9460, 22984), (9503, 22880), (9724, 22360), (11180, 19448), (11440, 19006), (11492, 18920), (11696, 18590), (12155, 17888), (12298, 17680), (13520, 16082), (14365, 15136), (14534, 14960), (14620, 14872)]