121615720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1973}}^1$

素因数の和:2074

約数の個数: 64

約数和(自身を含む): 289941120

約数和(自身を除く): 168325400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 67, 92, 115, 134, 184, 230, 268, 335, 460, 536, 670, 920, 1340, 1541, 1973, 2680, 3082, 3946, 6164, 7705, 7892, 9865, 12328, 15410, 15784, 19730, 30820, 39460, 45379, 61640, 78920, 90758, 132191, 181516, 226895, 264382, 363032, 453790, 528764, 660955, 907580, 1057528, 1321910, 1815160, 2643820, 3040393, 5287640, 6080786, 12161572, 15201965, 24323144, 30403930, 60807860, 121615720]

約数ペア:

[(1, 121615720), (2, 60807860), (4, 30403930), (5, 24323144), (8, 15201965), (10, 12161572), (20, 6080786), (23, 5287640), (40, 3040393), (46, 2643820), (67, 1815160), (92, 1321910), (115, 1057528), (134, 907580), (184, 660955), (230, 528764), (268, 453790), (335, 363032), (460, 264382), (536, 226895), (670, 181516), (920, 132191), (1340, 90758), (1541, 78920), (1973, 61640), (2680, 45379), (3082, 39460), (3946, 30820), (6164, 19730), (7705, 15784), (7892, 15410), (9865, 12328)]