212556120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1042

約数の個数: 192

約数和(自身を含む): 762605280

約数和(自身を除く): 550049160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 49, 56, 60, 70, 74, 84, 98, 105, 111, 120, 140, 147, 148, 168, 185, 196, 210, 222, 245, 259, 280, 294, 296, 370, 392, 420, 444, 490, 518, 555, 588, 735, 740, 777, 840, 888, 977, 980, 1036, 1110, 1176, 1295, 1470, 1480, 1554, 1813, 1954, 1960, 2072, 2220, 2590, 2931, 2940, 3108, 3626, 3885, 3908, 4440, 4885, 5180, 5439, 5862, 5880, 6216, 6839, 7252, 7770, 7816, 9065, 9770, 10360, 10878, 11724, 13678, 14504, 14655, 15540, 18130, 19540, 20517, 21756, 23448, 27195, 27356, 29310, 31080, 34195, 36149, 36260, 39080, 41034, 43512, 47873, 54390, 54712, 58620, 68390, 72298, 72520, 82068, 95746, 102585, 108447, 108780, 117240, 136780, 143619, 144596, 164136, 180745, 191492, 205170, 216894, 217560, 239365, 253043, 273560, 287238, 289192, 361490, 382984, 410340, 433788, 478730, 506086, 542235, 574476, 718095, 722980, 759129, 820680, 867576, 957460, 1012172, 1084470, 1148952, 1265215, 1436190, 1445960, 1518258, 1771301, 1914920, 2024344, 2168940, 2530430, 2872380, 3036516, 3542602, 3795645, 4337880, 5060860, 5313903, 5744760, 6073032, 7085204, 7591290, 8856505, 10121720, 10627806, 14170408, 15182580, 17713010, 21255612, 26569515, 30365160, 35426020, 42511224, 53139030, 70852040, 106278060, 212556120]

約数ペア:

[(1, 212556120), (2, 106278060), (3, 70852040), (4, 53139030), (5, 42511224), (6, 35426020), (7, 30365160), (8, 26569515), (10, 21255612), (12, 17713010), (14, 15182580), (15, 14170408), (20, 10627806), (21, 10121720), (24, 8856505), (28, 7591290), (30, 7085204), (35, 6073032), (37, 5744760), (40, 5313903), (42, 5060860), (49, 4337880), (56, 3795645), (60, 3542602), (70, 3036516), (74, 2872380), (84, 2530430), (98, 2168940), (105, 2024344), (111, 1914920), (120, 1771301), (140, 1518258), (147, 1445960), (148, 1436190), (168, 1265215), (185, 1148952), (196, 1084470), (210, 1012172), (222, 957460), (245, 867576), (259, 820680), (280, 759129), (294, 722980), (296, 718095), (370, 574476), (392, 542235), (420, 506086), (444, 478730), (490, 433788), (518, 410340), (555, 382984), (588, 361490), (735, 289192), (740, 287238), (777, 273560), (840, 253043), (888, 239365), (977, 217560), (980, 216894), (1036, 205170), (1110, 191492), (1176, 180745), (1295, 164136), (1470, 144596), (1480, 143619), (1554, 136780), (1813, 117240), (1954, 108780), (1960, 108447), (2072, 102585), (2220, 95746), (2590, 82068), (2931, 72520), (2940, 72298), (3108, 68390), (3626, 58620), (3885, 54712), (3908, 54390), (4440, 47873), (4885, 43512), (5180, 41034), (5439, 39080), (5862, 36260), (5880, 36149), (6216, 34195), (6839, 31080), (7252, 29310), (7770, 27356), (7816, 27195), (9065, 23448), (9770, 21756), (10360, 20517), (10878, 19540), (11724, 18130), (13678, 15540), (14504, 14655)]