81647280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 360

約数和(自身を含む): 329215536

約数和(自身を除く): 247568256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 48, 52, 55, 60, 61, 65, 66, 72, 78, 80, 88, 90, 99, 104, 110, 117, 120, 122, 130, 132, 143, 144, 156, 165, 169, 176, 180, 183, 195, 198, 208, 220, 234, 240, 244, 260, 264, 286, 305, 312, 330, 338, 360, 366, 390, 396, 429, 440, 468, 488, 495, 507, 520, 528, 549, 572, 585, 610, 624, 660, 671, 676, 715, 720, 732, 780, 792, 793, 845, 858, 880, 915, 936, 976, 990, 1014, 1040, 1098, 1144, 1170, 1220, 1287, 1320, 1342, 1352, 1430, 1464, 1521, 1560, 1584, 1586, 1690, 1716, 1830, 1859, 1872, 1980, 2013, 2028, 2145, 2196, 2288, 2340, 2379, 2440, 2535, 2574, 2640, 2684, 2704, 2745, 2860, 2928, 3042, 3120, 3172, 3355, 3380, 3432, 3660, 3718, 3960, 3965, 4026, 4056, 4290, 4392, 4680, 4758, 4880, 5070, 5148, 5368, 5490, 5577, 5720, 6039, 6084, 6344, 6435, 6710, 6760, 6864, 7137, 7320, 7436, 7605, 7920, 7930, 8052, 8112, 8580, 8723, 8784, 9295, 9360, 9516, 10065, 10140, 10296, 10309, 10736, 10980, 11154, 11440, 11895, 12078, 12168, 12688, 12870, 13420, 13520, 14274, 14640, 14872, 15210, 15860, 16104, 16731, 17160, 17446, 18590, 19032, 20130, 20280, 20592, 20618, 21960, 22308, 23790, 24156, 24336, 25740, 26169, 26840, 27885, 28548, 29744, 30195, 30420, 30927, 31720, 32208, 33462, 34320, 34892, 35685, 37180, 38064, 40260, 40560, 41236, 43615, 43920, 44616, 47580, 48312, 51480, 51545, 52338, 53680, 55770, 57096, 60390, 60840, 61854, 63440, 66924, 69784, 71370, 74360, 78507, 80520, 82472, 83655, 87230, 89232, 92781, 95160, 96624, 102960, 103090, 104676, 111540, 113399, 114192, 120780, 121680, 123708, 130845, 133848, 139568, 142740, 148720, 154635, 157014, 161040, 164944, 167310, 174460, 185562, 190320, 206180, 209352, 223080, 226798, 241560, 247416, 261690, 267696, 285480, 309270, 314028, 334620, 340197, 348920, 371124, 392535, 412360, 418704, 446160, 453596, 463905, 483120, 494832, 523380, 566995, 570960, 618540, 628056, 669240, 680394, 697840, 742248, 785070, 824720, 907192, 927810, 1020591, 1046760, 1133990, 1237080, 1256112, 1338480, 1360788, 1484496, 1570140, 1700985, 1814384, 1855620, 2041182, 2093520, 2267980, 2474160, 2721576, 3140280, 3401970, 3711240, 4082364, 4535960, 5102955, 5443152, 6280560, 6803940, 7422480, 8164728, 9071920, 10205910, 13607880, 16329456, 20411820, 27215760, 40823640, 81647280]

約数ペア:

[(1, 81647280), (2, 40823640), (3, 27215760), (4, 20411820), (5, 16329456), (6, 13607880), (8, 10205910), (9, 9071920), (10, 8164728), (11, 7422480), (12, 6803940), (13, 6280560), (15, 5443152), (16, 5102955), (18, 4535960), (20, 4082364), (22, 3711240), (24, 3401970), (26, 3140280), (30, 2721576), (33, 2474160), (36, 2267980), (39, 2093520), (40, 2041182), (44, 1855620), (45, 1814384), (48, 1700985), (52, 1570140), (55, 1484496), (60, 1360788), (61, 1338480), (65, 1256112), (66, 1237080), (72, 1133990), (78, 1046760), (80, 1020591), (88, 927810), (90, 907192), (99, 824720), (104, 785070), (110, 742248), (117, 697840), (120, 680394), (122, 669240), (130, 628056), (132, 618540), (143, 570960), (144, 566995), (156, 523380), (165, 494832), (169, 483120), (176, 463905), (180, 453596), (183, 446160), (195, 418704), (198, 412360), (208, 392535), (220, 371124), (234, 348920), (240, 340197), (244, 334620), (260, 314028), (264, 309270), (286, 285480), (305, 267696), (312, 261690), (330, 247416), (338, 241560), (360, 226798), (366, 223080), (390, 209352), (396, 206180), (429, 190320), (440, 185562), (468, 174460), (488, 167310), (495, 164944), (507, 161040), (520, 157014), (528, 154635), (549, 148720), (572, 142740), (585, 139568), (610, 133848), (624, 130845), (660, 123708), (671, 121680), (676, 120780), (715, 114192), (720, 113399), (732, 111540), (780, 104676), (792, 103090), (793, 102960), (845, 96624), (858, 95160), (880, 92781), (915, 89232), (936, 87230), (976, 83655), (990, 82472), (1014, 80520), (1040, 78507), (1098, 74360), (1144, 71370), (1170, 69784), (1220, 66924), (1287, 63440), (1320, 61854), (1342, 60840), (1352, 60390), (1430, 57096), (1464, 55770), (1521, 53680), (1560, 52338), (1584, 51545), (1586, 51480), (1690, 48312), (1716, 47580), (1830, 44616), (1859, 43920), (1872, 43615), (1980, 41236), (2013, 40560), (2028, 40260), (2145, 38064), (2196, 37180), (2288, 35685), (2340, 34892), (2379, 34320), (2440, 33462), (2535, 32208), (2574, 31720), (2640, 30927), (2684, 30420), (2704, 30195), (2745, 29744), (2860, 28548), (2928, 27885), (3042, 26840), (3120, 26169), (3172, 25740), (3355, 24336), (3380, 24156), (3432, 23790), (3660, 22308), (3718, 21960), (3960, 20618), (3965, 20592), (4026, 20280), (4056, 20130), (4290, 19032), (4392, 18590), (4680, 17446), (4758, 17160), (4880, 16731), (5070, 16104), (5148, 15860), (5368, 15210), (5490, 14872), (5577, 14640), (5720, 14274), (6039, 13520), (6084, 13420), (6344, 12870), (6435, 12688), (6710, 12168), (6760, 12078), (6864, 11895), (7137, 11440), (7320, 11154), (7436, 10980), (7605, 10736), (7920, 10309), (7930, 10296), (8052, 10140), (8112, 10065), (8580, 9516), (8723, 9360), (8784, 9295)]