205639320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{74507}}^1$

素因数の和:74544

約数の個数: 64

約数和(自身を含む): 643749120

約数和(自身を除く): 438109800

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, 74507, 149014, 223521, 298028, 372535, 447042, 596056, 745070, 894084, 1117605, 1490140, 1713661, 1788168, 2235210, 2980280, 3427322, 4470420, 5140983, 6854644, 8568305, 8940840, 10281966, 13709288, 17136610, 20563932, 25704915, 34273220, 41127864, 51409830, 68546440, 102819660, 205639320]

約数ペア:

[(1, 205639320), (2, 102819660), (3, 68546440), (4, 51409830), (5, 41127864), (6, 34273220), (8, 25704915), (10, 20563932), (12, 17136610), (15, 13709288), (20, 10281966), (23, 8940840), (24, 8568305), (30, 6854644), (40, 5140983), (46, 4470420), (60, 3427322), (69, 2980280), (92, 2235210), (115, 1788168), (120, 1713661), (138, 1490140), (184, 1117605), (230, 894084), (276, 745070), (345, 596056), (460, 447042), (552, 372535), (690, 298028), (920, 223521), (1380, 149014), (2760, 74507)]