172005840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{238897}}^1$

素因数の和:238916

約数の個数: 60

約数和(自身を含む): 577655364

約数和(自身を除く): 405649524

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 238897, 477794, 716691, 955588, 1194485, 1433382, 1911176, 2150073, 2388970, 2866764, 3583455, 3822352, 4300146, 4777940, 5733528, 7166910, 8600292, 9555880, 10750365, 11467056, 14333820, 17200584, 19111760, 21500730, 28667640, 34401168, 43001460, 57335280, 86002920, 172005840]

約数ペア:

[(1, 172005840), (2, 86002920), (3, 57335280), (4, 43001460), (5, 34401168), (6, 28667640), (8, 21500730), (9, 19111760), (10, 17200584), (12, 14333820), (15, 11467056), (16, 10750365), (18, 9555880), (20, 8600292), (24, 7166910), (30, 5733528), (36, 4777940), (40, 4300146), (45, 3822352), (48, 3583455), (60, 2866764), (72, 2388970), (80, 2150073), (90, 1911176), (120, 1433382), (144, 1194485), (180, 955588), (240, 716691), (360, 477794), (720, 238897)]