1280588736

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1723}}^1$

素因数の和:1831

約数の個数: 168

約数和(自身を含む): 3993611520

約数和(自身を除く): 2713022784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 79, 84, 96, 98, 112, 147, 158, 168, 192, 196, 224, 237, 294, 316, 336, 392, 448, 474, 553, 588, 632, 672, 784, 948, 1106, 1176, 1264, 1344, 1568, 1659, 1723, 1896, 2212, 2352, 2528, 3136, 3318, 3446, 3792, 3871, 4424, 4704, 5056, 5169, 6636, 6892, 7584, 7742, 8848, 9408, 10338, 11613, 12061, 13272, 13784, 15168, 15484, 17696, 20676, 23226, 24122, 26544, 27568, 30968, 35392, 36183, 41352, 46452, 48244, 53088, 55136, 61936, 72366, 82704, 84427, 92904, 96488, 106176, 110272, 123872, 136117, 144732, 165408, 168854, 185808, 192976, 247744, 253281, 272234, 289464, 330816, 337708, 371616, 385952, 408351, 506562, 544468, 578928, 675416, 743232, 771904, 816702, 952819, 1013124, 1088936, 1157856, 1350832, 1633404, 1905638, 2026248, 2177872, 2315712, 2701664, 2858457, 3266808, 3811276, 4052496, 4355744, 5403328, 5716914, 6533616, 6669733, 7622552, 8104992, 8711488, 11433828, 13067232, 13339466, 15245104, 16209984, 20009199, 22867656, 26134464, 26678932, 30490208, 40018398, 45735312, 53357864, 60980416, 80036796, 91470624, 106715728, 160073592, 182941248, 213431456, 320147184, 426862912, 640294368, 1280588736]

約数ペア:

[(1, 1280588736), (2, 640294368), (3, 426862912), (4, 320147184), (6, 213431456), (7, 182941248), (8, 160073592), (12, 106715728), (14, 91470624), (16, 80036796), (21, 60980416), (24, 53357864), (28, 45735312), (32, 40018398), (42, 30490208), (48, 26678932), (49, 26134464), (56, 22867656), (64, 20009199), (79, 16209984), (84, 15245104), (96, 13339466), (98, 13067232), (112, 11433828), (147, 8711488), (158, 8104992), (168, 7622552), (192, 6669733), (196, 6533616), (224, 5716914), (237, 5403328), (294, 4355744), (316, 4052496), (336, 3811276), (392, 3266808), (448, 2858457), (474, 2701664), (553, 2315712), (588, 2177872), (632, 2026248), (672, 1905638), (784, 1633404), (948, 1350832), (1106, 1157856), (1176, 1088936), (1264, 1013124), (1344, 952819), (1568, 816702), (1659, 771904), (1723, 743232), (1896, 675416), (2212, 578928), (2352, 544468), (2528, 506562), (3136, 408351), (3318, 385952), (3446, 371616), (3792, 337708), (3871, 330816), (4424, 289464), (4704, 272234), (5056, 253281), (5169, 247744), (6636, 192976), (6892, 185808), (7584, 168854), (7742, 165408), (8848, 144732), (9408, 136117), (10338, 123872), (11613, 110272), (12061, 106176), (13272, 96488), (13784, 92904), (15168, 84427), (15484, 82704), (17696, 72366), (20676, 61936), (23226, 55136), (24122, 53088), (26544, 48244), (27568, 46452), (30968, 41352), (35392, 36183)]