81029376

素因数分解:

$2^8\times 3^3\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:661

約数の個数: 144

約数和(自身を含む): 252638400

約数和(自身を除く): 171609024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 128, 144, 152, 171, 192, 216, 228, 256, 288, 304, 342, 384, 432, 456, 513, 576, 608, 617, 684, 768, 864, 912, 1026, 1152, 1216, 1234, 1368, 1728, 1824, 1851, 2052, 2304, 2432, 2468, 2736, 3456, 3648, 3702, 4104, 4864, 4936, 5472, 5553, 6912, 7296, 7404, 8208, 9872, 10944, 11106, 11723, 14592, 14808, 16416, 16659, 19744, 21888, 22212, 23446, 29616, 32832, 33318, 35169, 39488, 43776, 44424, 46892, 59232, 65664, 66636, 70338, 78976, 88848, 93784, 105507, 118464, 131328, 133272, 140676, 157952, 177696, 187568, 211014, 236928, 266544, 281352, 316521, 355392, 375136, 422028, 473856, 533088, 562704, 633042, 710784, 750272, 844056, 1066176, 1125408, 1266084, 1421568, 1500544, 1688112, 2132352, 2250816, 2532168, 3001088, 3376224, 4264704, 4501632, 5064336, 6752448, 9003264, 10128672, 13504896, 20257344, 27009792, 40514688, 81029376]

約数ペア:

[(1, 81029376), (2, 40514688), (3, 27009792), (4, 20257344), (6, 13504896), (8, 10128672), (9, 9003264), (12, 6752448), (16, 5064336), (18, 4501632), (19, 4264704), (24, 3376224), (27, 3001088), (32, 2532168), (36, 2250816), (38, 2132352), (48, 1688112), (54, 1500544), (57, 1421568), (64, 1266084), (72, 1125408), (76, 1066176), (96, 844056), (108, 750272), (114, 710784), (128, 633042), (144, 562704), (152, 533088), (171, 473856), (192, 422028), (216, 375136), (228, 355392), (256, 316521), (288, 281352), (304, 266544), (342, 236928), (384, 211014), (432, 187568), (456, 177696), (513, 157952), (576, 140676), (608, 133272), (617, 131328), (684, 118464), (768, 105507), (864, 93784), (912, 88848), (1026, 78976), (1152, 70338), (1216, 66636), (1234, 65664), (1368, 59232), (1728, 46892), (1824, 44424), (1851, 43776), (2052, 39488), (2304, 35169), (2432, 33318), (2468, 32832), (2736, 29616), (3456, 23446), (3648, 22212), (3702, 21888), (4104, 19744), (4864, 16659), (4936, 16416), (5472, 14808), (5553, 14592), (6912, 11723), (7296, 11106), (7404, 10944), (8208, 9872)]