128708736

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 256

約数和(自身を含む): 411264000

約数和(自身を除く): 282555264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 23, 24, 26, 32, 38, 39, 46, 48, 52, 57, 59, 64, 69, 76, 78, 92, 96, 104, 114, 118, 128, 138, 152, 156, 177, 184, 192, 208, 228, 236, 247, 276, 299, 304, 312, 354, 368, 384, 416, 437, 456, 472, 494, 552, 598, 608, 624, 708, 736, 741, 767, 832, 874, 897, 912, 944, 988, 1104, 1121, 1196, 1216, 1248, 1311, 1357, 1416, 1472, 1482, 1534, 1664, 1748, 1794, 1824, 1888, 1976, 2208, 2242, 2301, 2392, 2432, 2496, 2622, 2714, 2832, 2944, 2964, 3068, 3363, 3496, 3588, 3648, 3776, 3952, 4071, 4416, 4484, 4602, 4784, 4992, 5244, 5428, 5664, 5681, 5928, 6136, 6726, 6992, 7176, 7296, 7552, 7904, 8142, 8832, 8968, 9204, 9568, 10488, 10856, 11328, 11362, 11856, 12272, 13452, 13984, 14352, 14573, 15808, 16284, 17043, 17641, 17936, 18408, 19136, 20976, 21712, 22656, 22724, 23712, 24544, 25783, 26904, 27968, 28704, 29146, 31616, 32568, 34086, 35282, 35872, 36816, 38272, 41952, 43424, 43719, 45448, 47424, 49088, 51566, 52923, 53808, 55936, 57408, 58292, 65136, 68172, 70564, 71744, 73632, 77349, 83904, 86848, 87438, 90896, 94848, 98176, 103132, 105846, 107616, 114816, 116584, 130272, 136344, 141128, 143488, 147264, 154698, 167808, 173696, 174876, 181792, 206264, 211692, 215232, 233168, 260544, 272688, 282256, 294528, 309396, 335179, 349752, 363584, 412528, 423384, 430464, 466336, 521088, 545376, 564512, 618792, 670358, 699504, 727168, 825056, 846768, 932672, 1005537, 1090752, 1129024, 1237584, 1340716, 1399008, 1650112, 1693536, 1865344, 2011074, 2181504, 2258048, 2475168, 2681432, 2798016, 3300224, 3387072, 4022148, 4950336, 5362864, 5596032, 6774144, 8044296, 9900672, 10725728, 16088592, 21451456, 32177184, 42902912, 64354368, 128708736]

約数ペア:

[(1, 128708736), (2, 64354368), (3, 42902912), (4, 32177184), (6, 21451456), (8, 16088592), (12, 10725728), (13, 9900672), (16, 8044296), (19, 6774144), (23, 5596032), (24, 5362864), (26, 4950336), (32, 4022148), (38, 3387072), (39, 3300224), (46, 2798016), (48, 2681432), (52, 2475168), (57, 2258048), (59, 2181504), (64, 2011074), (69, 1865344), (76, 1693536), (78, 1650112), (92, 1399008), (96, 1340716), (104, 1237584), (114, 1129024), (118, 1090752), (128, 1005537), (138, 932672), (152, 846768), (156, 825056), (177, 727168), (184, 699504), (192, 670358), (208, 618792), (228, 564512), (236, 545376), (247, 521088), (276, 466336), (299, 430464), (304, 423384), (312, 412528), (354, 363584), (368, 349752), (384, 335179), (416, 309396), (437, 294528), (456, 282256), (472, 272688), (494, 260544), (552, 233168), (598, 215232), (608, 211692), (624, 206264), (708, 181792), (736, 174876), (741, 173696), (767, 167808), (832, 154698), (874, 147264), (897, 143488), (912, 141128), (944, 136344), (988, 130272), (1104, 116584), (1121, 114816), (1196, 107616), (1216, 105846), (1248, 103132), (1311, 98176), (1357, 94848), (1416, 90896), (1472, 87438), (1482, 86848), (1534, 83904), (1664, 77349), (1748, 73632), (1794, 71744), (1824, 70564), (1888, 68172), (1976, 65136), (2208, 58292), (2242, 57408), (2301, 55936), (2392, 53808), (2432, 52923), (2496, 51566), (2622, 49088), (2714, 47424), (2832, 45448), (2944, 43719), (2964, 43424), (3068, 41952), (3363, 38272), (3496, 36816), (3588, 35872), (3648, 35282), (3776, 34086), (3952, 32568), (4071, 31616), (4416, 29146), (4484, 28704), (4602, 27968), (4784, 26904), (4992, 25783), (5244, 24544), (5428, 23712), (5664, 22724), (5681, 22656), (5928, 21712), (6136, 20976), (6726, 19136), (6992, 18408), (7176, 17936), (7296, 17641), (7552, 17043), (7904, 16284), (8142, 15808), (8832, 14573), (8968, 14352), (9204, 13984), (9568, 13452), (10488, 12272), (10856, 11856), (11328, 11362)]