31004460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7489}}^1$

素因数の和:7527

約数の個数: 72

約数和(自身を含む): 98148960

約数和(自身を除く): 67144500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 7489, 14978, 22467, 29956, 37445, 44934, 67401, 74890, 89868, 112335, 134802, 149780, 172247, 224670, 269604, 337005, 344494, 449340, 516741, 674010, 688988, 861235, 1033482, 1348020, 1550223, 1722470, 2066964, 2583705, 3100446, 3444940, 5167410, 6200892, 7751115, 10334820, 15502230, 31004460]

約数ペア:

[(1, 31004460), (2, 15502230), (3, 10334820), (4, 7751115), (5, 6200892), (6, 5167410), (9, 3444940), (10, 3100446), (12, 2583705), (15, 2066964), (18, 1722470), (20, 1550223), (23, 1348020), (30, 1033482), (36, 861235), (45, 688988), (46, 674010), (60, 516741), (69, 449340), (90, 344494), (92, 337005), (115, 269604), (138, 224670), (180, 172247), (207, 149780), (230, 134802), (276, 112335), (345, 89868), (414, 74890), (460, 67401), (690, 44934), (828, 37445), (1035, 29956), (1380, 22467), (2070, 14978), (4140, 7489)]