261686640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47407}}^1$

素因数の和:47446

約数の個数: 80

約数和(自身を含む): 846517248

約数和(自身を除く): 584830608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 47407, 94814, 142221, 189628, 237035, 284442, 379256, 474070, 568884, 711105, 758512, 948140, 1090361, 1137768, 1422210, 1896280, 2180722, 2275536, 2844420, 3271083, 3792560, 4361444, 5451805, 5688840, 6542166, 8722888, 10903610, 11377680, 13084332, 16355415, 17445776, 21807220, 26168664, 32710830, 43614440, 52337328, 65421660, 87228880, 130843320, 261686640]

約数ペア:

[(1, 261686640), (2, 130843320), (3, 87228880), (4, 65421660), (5, 52337328), (6, 43614440), (8, 32710830), (10, 26168664), (12, 21807220), (15, 17445776), (16, 16355415), (20, 13084332), (23, 11377680), (24, 10903610), (30, 8722888), (40, 6542166), (46, 5688840), (48, 5451805), (60, 4361444), (69, 3792560), (80, 3271083), (92, 2844420), (115, 2275536), (120, 2180722), (138, 1896280), (184, 1422210), (230, 1137768), (240, 1090361), (276, 948140), (345, 758512), (368, 711105), (460, 568884), (552, 474070), (690, 379256), (920, 284442), (1104, 237035), (1380, 189628), (1840, 142221), (2760, 94814), (5520, 47407)]