64866560

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 180133632

約数和(自身を除く): 115267072

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 256, 271, 272, 320, 340, 352, 374, 440, 542, 544, 640, 680, 704, 748, 880, 935, 1084, 1088, 1280, 1355, 1360, 1408, 1496, 1760, 1870, 2168, 2176, 2710, 2720, 2816, 2981, 2992, 3520, 3740, 4336, 4352, 4607, 5420, 5440, 5962, 5984, 7040, 7480, 8672, 9214, 10840, 10880, 11924, 11968, 14080, 14905, 14960, 17344, 18428, 21680, 21760, 23035, 23848, 23936, 29810, 29920, 34688, 36856, 43360, 46070, 47696, 47872, 50677, 59620, 59840, 69376, 73712, 86720, 92140, 95392, 101354, 119240, 119680, 147424, 173440, 184280, 190784, 202708, 238480, 239360, 253385, 294848, 346880, 368560, 381568, 405416, 476960, 506770, 589696, 737120, 763136, 810832, 953920, 1013540, 1179392, 1474240, 1621664, 1907840, 2027080, 2948480, 3243328, 3815680, 4054160, 5896960, 6486656, 8108320, 12973312, 16216640, 32433280, 64866560]

約数ペア:

[(1, 64866560), (2, 32433280), (4, 16216640), (5, 12973312), (8, 8108320), (10, 6486656), (11, 5896960), (16, 4054160), (17, 3815680), (20, 3243328), (22, 2948480), (32, 2027080), (34, 1907840), (40, 1621664), (44, 1474240), (55, 1179392), (64, 1013540), (68, 953920), (80, 810832), (85, 763136), (88, 737120), (110, 589696), (128, 506770), (136, 476960), (160, 405416), (170, 381568), (176, 368560), (187, 346880), (220, 294848), (256, 253385), (271, 239360), (272, 238480), (320, 202708), (340, 190784), (352, 184280), (374, 173440), (440, 147424), (542, 119680), (544, 119240), (640, 101354), (680, 95392), (704, 92140), (748, 86720), (880, 73712), (935, 69376), (1084, 59840), (1088, 59620), (1280, 50677), (1355, 47872), (1360, 47696), (1408, 46070), (1496, 43360), (1760, 36856), (1870, 34688), (2168, 29920), (2176, 29810), (2710, 23936), (2720, 23848), (2816, 23035), (2981, 21760), (2992, 21680), (3520, 18428), (3740, 17344), (4336, 14960), (4352, 14905), (4607, 14080), (5420, 11968), (5440, 11924), (5962, 10880), (5984, 10840), (7040, 9214), (7480, 8672)]