31378440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11369}}^1$

素因数の和:11406

約数の個数: 64

約数和(自身を含む): 98236800

約数和(自身を除く): 66858360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 11369, 22738, 34107, 45476, 56845, 68214, 90952, 113690, 136428, 170535, 227380, 261487, 272856, 341070, 454760, 522974, 682140, 784461, 1045948, 1307435, 1364280, 1568922, 2091896, 2614870, 3137844, 3922305, 5229740, 6275688, 7844610, 10459480, 15689220, 31378440]

約数ペア:

[(1, 31378440), (2, 15689220), (3, 10459480), (4, 7844610), (5, 6275688), (6, 5229740), (8, 3922305), (10, 3137844), (12, 2614870), (15, 2091896), (20, 1568922), (23, 1364280), (24, 1307435), (30, 1045948), (40, 784461), (46, 682140), (60, 522974), (69, 454760), (92, 341070), (115, 272856), (120, 261487), (138, 227380), (184, 170535), (230, 136428), (276, 113690), (345, 90952), (460, 68214), (552, 56845), (690, 45476), (920, 34107), (1380, 22738), (2760, 11369)]