721313424

素因数分解:

$2^4\times 3^6\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 280

約数和(自身を含む): 2322476352

約数和(自身を除く): 1601162928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 67, 71, 72, 78, 81, 104, 108, 117, 134, 142, 144, 156, 162, 201, 208, 213, 216, 234, 243, 268, 284, 312, 324, 351, 402, 426, 432, 468, 486, 536, 568, 603, 624, 639, 648, 702, 729, 804, 852, 871, 923, 936, 972, 1053, 1072, 1136, 1206, 1278, 1296, 1404, 1458, 1608, 1704, 1742, 1809, 1846, 1872, 1917, 1944, 2106, 2412, 2556, 2613, 2769, 2808, 2916, 3159, 3216, 3408, 3484, 3618, 3692, 3834, 3888, 4212, 4757, 4824, 5112, 5226, 5427, 5538, 5616, 5751, 5832, 6318, 6968, 7236, 7384, 7668, 7839, 8307, 8424, 9477, 9514, 9648, 10224, 10452, 10854, 11076, 11502, 11664, 12636, 13936, 14271, 14472, 14768, 15336, 15678, 16281, 16614, 16848, 17253, 18954, 19028, 20904, 21708, 22152, 23004, 23517, 24921, 25272, 28542, 28944, 30672, 31356, 32562, 33228, 34506, 37908, 38056, 41808, 42813, 43416, 44304, 46008, 47034, 48843, 49842, 50544, 51759, 57084, 61841, 62712, 65124, 66456, 69012, 70551, 74763, 75816, 76112, 85626, 86832, 92016, 94068, 97686, 99684, 103518, 114168, 123682, 125424, 128439, 130248, 132912, 138024, 141102, 149526, 151632, 171252, 185523, 188136, 195372, 199368, 207036, 211653, 224289, 228336, 247364, 256878, 260496, 276048, 282204, 299052, 342504, 371046, 376272, 385317, 390744, 398736, 414072, 423306, 448578, 494728, 513756, 556569, 564408, 598104, 634959, 672867, 685008, 742092, 770634, 781488, 828144, 846612, 897156, 989456, 1027512, 1113138, 1128816, 1155951, 1196208, 1269918, 1345734, 1484184, 1541268, 1669707, 1693224, 1794312, 2055024, 2226276, 2311902, 2539836, 2691468, 2968368, 3082536, 3339414, 3386448, 3467853, 3588624, 4452552, 4623804, 5009121, 5079672, 5382936, 6165072, 6678828, 6935706, 8905104, 9247608, 10018242, 10159344, 10765872, 13357656, 13871412, 15027363, 18495216, 20036484, 26715312, 27742824, 30054726, 40072968, 45082089, 55485648, 60109452, 80145936, 90164178, 120218904, 180328356, 240437808, 360656712, 721313424]

約数ペア:

[(1, 721313424), (2, 360656712), (3, 240437808), (4, 180328356), (6, 120218904), (8, 90164178), (9, 80145936), (12, 60109452), (13, 55485648), (16, 45082089), (18, 40072968), (24, 30054726), (26, 27742824), (27, 26715312), (36, 20036484), (39, 18495216), (48, 15027363), (52, 13871412), (54, 13357656), (67, 10765872), (71, 10159344), (72, 10018242), (78, 9247608), (81, 8905104), (104, 6935706), (108, 6678828), (117, 6165072), (134, 5382936), (142, 5079672), (144, 5009121), (156, 4623804), (162, 4452552), (201, 3588624), (208, 3467853), (213, 3386448), (216, 3339414), (234, 3082536), (243, 2968368), (268, 2691468), (284, 2539836), (312, 2311902), (324, 2226276), (351, 2055024), (402, 1794312), (426, 1693224), (432, 1669707), (468, 1541268), (486, 1484184), (536, 1345734), (568, 1269918), (603, 1196208), (624, 1155951), (639, 1128816), (648, 1113138), (702, 1027512), (729, 989456), (804, 897156), (852, 846612), (871, 828144), (923, 781488), (936, 770634), (972, 742092), (1053, 685008), (1072, 672867), (1136, 634959), (1206, 598104), (1278, 564408), (1296, 556569), (1404, 513756), (1458, 494728), (1608, 448578), (1704, 423306), (1742, 414072), (1809, 398736), (1846, 390744), (1872, 385317), (1917, 376272), (1944, 371046), (2106, 342504), (2412, 299052), (2556, 282204), (2613, 276048), (2769, 260496), (2808, 256878), (2916, 247364), (3159, 228336), (3216, 224289), (3408, 211653), (3484, 207036), (3618, 199368), (3692, 195372), (3834, 188136), (3888, 185523), (4212, 171252), (4757, 151632), (4824, 149526), (5112, 141102), (5226, 138024), (5427, 132912), (5538, 130248), (5616, 128439), (5751, 125424), (5832, 123682), (6318, 114168), (6968, 103518), (7236, 99684), (7384, 97686), (7668, 94068), (7839, 92016), (8307, 86832), (8424, 85626), (9477, 76112), (9514, 75816), (9648, 74763), (10224, 70551), (10452, 69012), (10854, 66456), (11076, 65124), (11502, 62712), (11664, 61841), (12636, 57084), (13936, 51759), (14271, 50544), (14472, 49842), (14768, 48843), (15336, 47034), (15678, 46008), (16281, 44304), (16614, 43416), (16848, 42813), (17253, 41808), (18954, 38056), (19028, 37908), (20904, 34506), (21708, 33228), (22152, 32562), (23004, 31356), (23517, 30672), (24921, 28944), (25272, 28542)]