217478520

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:296

約数の個数: 320

約数和(自身を含む): 858654720

約数和(自身を除く): 641176200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 43, 45, 54, 56, 60, 63, 70, 72, 81, 84, 86, 90, 105, 108, 120, 126, 129, 135, 140, 162, 168, 172, 180, 189, 210, 215, 216, 223, 252, 258, 270, 280, 301, 315, 324, 344, 360, 378, 387, 405, 420, 430, 446, 504, 516, 540, 567, 602, 630, 645, 648, 669, 756, 774, 810, 840, 860, 892, 903, 945, 1032, 1080, 1115, 1134, 1161, 1204, 1260, 1290, 1338, 1505, 1512, 1548, 1561, 1620, 1720, 1784, 1806, 1890, 1935, 2007, 2230, 2268, 2322, 2408, 2520, 2580, 2676, 2709, 2835, 3010, 3096, 3122, 3240, 3345, 3483, 3612, 3780, 3870, 4014, 4460, 4515, 4536, 4644, 4683, 5160, 5352, 5418, 5670, 5805, 6020, 6021, 6244, 6690, 6966, 7224, 7560, 7740, 7805, 8028, 8127, 8920, 9030, 9288, 9366, 9589, 10035, 10836, 11340, 11610, 12040, 12042, 12488, 13380, 13545, 13932, 14049, 15480, 15610, 16056, 16254, 17415, 18060, 18063, 18732, 19178, 20070, 21672, 22680, 23220, 23415, 24084, 24381, 26760, 27090, 27864, 28098, 28767, 30105, 31220, 32508, 34830, 36120, 36126, 37464, 38356, 40140, 40635, 42147, 46440, 46830, 47945, 48168, 48762, 54180, 56196, 57534, 60210, 62440, 65016, 67123, 69660, 70245, 72252, 76712, 80280, 81270, 84294, 86301, 90315, 93660, 95890, 97524, 108360, 112392, 115068, 120420, 121905, 126441, 134246, 139320, 140490, 143835, 144504, 162540, 168588, 172602, 180630, 187320, 191780, 195048, 201369, 210735, 230136, 240840, 243810, 252882, 258903, 268492, 280980, 287670, 325080, 335615, 337176, 345204, 361260, 383560, 402738, 421470, 431505, 487620, 505764, 517806, 536984, 561960, 575340, 604107, 632205, 671230, 690408, 722520, 776709, 805476, 842940, 863010, 975240, 1006845, 1011528, 1035612, 1150680, 1208214, 1264410, 1294515, 1342460, 1553418, 1610952, 1685880, 1726020, 1812321, 2013690, 2071224, 2416428, 2528820, 2589030, 2684920, 3020535, 3106836, 3452040, 3624642, 3883545, 4027380, 4832856, 5057640, 5178060, 5436963, 6041070, 6213672, 7249284, 7767090, 8054760, 9061605, 10356120, 10873926, 12082140, 14498568, 15534180, 18123210, 21747852, 24164280, 27184815, 31068360, 36246420, 43495704, 54369630, 72492840, 108739260, 217478520]

約数ペア:

[(1, 217478520), (2, 108739260), (3, 72492840), (4, 54369630), (5, 43495704), (6, 36246420), (7, 31068360), (8, 27184815), (9, 24164280), (10, 21747852), (12, 18123210), (14, 15534180), (15, 14498568), (18, 12082140), (20, 10873926), (21, 10356120), (24, 9061605), (27, 8054760), (28, 7767090), (30, 7249284), (35, 6213672), (36, 6041070), (40, 5436963), (42, 5178060), (43, 5057640), (45, 4832856), (54, 4027380), (56, 3883545), (60, 3624642), (63, 3452040), (70, 3106836), (72, 3020535), (81, 2684920), (84, 2589030), (86, 2528820), (90, 2416428), (105, 2071224), (108, 2013690), (120, 1812321), (126, 1726020), (129, 1685880), (135, 1610952), (140, 1553418), (162, 1342460), (168, 1294515), (172, 1264410), (180, 1208214), (189, 1150680), (210, 1035612), (215, 1011528), (216, 1006845), (223, 975240), (252, 863010), (258, 842940), (270, 805476), (280, 776709), (301, 722520), (315, 690408), (324, 671230), (344, 632205), (360, 604107), (378, 575340), (387, 561960), (405, 536984), (420, 517806), (430, 505764), (446, 487620), (504, 431505), (516, 421470), (540, 402738), (567, 383560), (602, 361260), (630, 345204), (645, 337176), (648, 335615), (669, 325080), (756, 287670), (774, 280980), (810, 268492), (840, 258903), (860, 252882), (892, 243810), (903, 240840), (945, 230136), (1032, 210735), (1080, 201369), (1115, 195048), (1134, 191780), (1161, 187320), (1204, 180630), (1260, 172602), (1290, 168588), (1338, 162540), (1505, 144504), (1512, 143835), (1548, 140490), (1561, 139320), (1620, 134246), (1720, 126441), (1784, 121905), (1806, 120420), (1890, 115068), (1935, 112392), (2007, 108360), (2230, 97524), (2268, 95890), (2322, 93660), (2408, 90315), (2520, 86301), (2580, 84294), (2676, 81270), (2709, 80280), (2835, 76712), (3010, 72252), (3096, 70245), (3122, 69660), (3240, 67123), (3345, 65016), (3483, 62440), (3612, 60210), (3780, 57534), (3870, 56196), (4014, 54180), (4460, 48762), (4515, 48168), (4536, 47945), (4644, 46830), (4683, 46440), (5160, 42147), (5352, 40635), (5418, 40140), (5670, 38356), (5805, 37464), (6020, 36126), (6021, 36120), (6244, 34830), (6690, 32508), (6966, 31220), (7224, 30105), (7560, 28767), (7740, 28098), (7805, 27864), (8028, 27090), (8127, 26760), (8920, 24381), (9030, 24084), (9288, 23415), (9366, 23220), (9589, 22680), (10035, 21672), (10836, 20070), (11340, 19178), (11610, 18732), (12040, 18063), (12042, 18060), (12488, 17415), (13380, 16254), (13545, 16056), (13932, 15610), (14049, 15480)]