172954620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1499}}^1$

素因数の和:2155

約数の個数: 72

約数和(自身を含む): 525798000

約数和(自身を除く): 352843380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 641, 1282, 1499, 1923, 2564, 2998, 3205, 3846, 4497, 5769, 5996, 6410, 7495, 7692, 8994, 9615, 11538, 12820, 13491, 14990, 17988, 19230, 22485, 23076, 26982, 28845, 29980, 38460, 44970, 53964, 57690, 67455, 89940, 115380, 134910, 269820, 960859, 1921718, 2882577, 3843436, 4804295, 5765154, 8647731, 9608590, 11530308, 14412885, 17295462, 19217180, 28825770, 34590924, 43238655, 57651540, 86477310, 172954620]

約数ペア:

[(1, 172954620), (2, 86477310), (3, 57651540), (4, 43238655), (5, 34590924), (6, 28825770), (9, 19217180), (10, 17295462), (12, 14412885), (15, 11530308), (18, 9608590), (20, 8647731), (30, 5765154), (36, 4804295), (45, 3843436), (60, 2882577), (90, 1921718), (180, 960859), (641, 269820), (1282, 134910), (1499, 115380), (1923, 89940), (2564, 67455), (2998, 57690), (3205, 53964), (3846, 44970), (4497, 38460), (5769, 29980), (5996, 28845), (6410, 26982), (7495, 23076), (7692, 22485), (8994, 19230), (9615, 17988), (11538, 14990), (12820, 13491)]