1870735720

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{136351}}^1$

素因数の和:136383

約数の個数: 64

約数和(自身を含む): 4908672000

約数和(自身を除く): 3037936280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 136351, 272702, 545404, 681755, 954457, 1090808, 1363510, 1908914, 2727020, 3817828, 4772285, 5454040, 6681199, 7635656, 9544570, 13362398, 19089140, 26724796, 33405995, 38178280, 46768393, 53449592, 66811990, 93536786, 133623980, 187073572, 233841965, 267247960, 374147144, 467683930, 935367860, 1870735720]

約数ペア:

[(1, 1870735720), (2, 935367860), (4, 467683930), (5, 374147144), (7, 267247960), (8, 233841965), (10, 187073572), (14, 133623980), (20, 93536786), (28, 66811990), (35, 53449592), (40, 46768393), (49, 38178280), (56, 33405995), (70, 26724796), (98, 19089140), (140, 13362398), (196, 9544570), (245, 7635656), (280, 6681199), (343, 5454040), (392, 4772285), (490, 3817828), (686, 2727020), (980, 1908914), (1372, 1363510), (1715, 1090808), (1960, 954457), (2744, 681755), (3430, 545404), (6860, 272702), (13720, 136351)]