319921740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25033}}^1$

素因数の和:25119

約数の個数: 72

約数和(自身を含む): 984136608

約数和(自身を除く): 664214868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 25033, 50066, 75099, 100132, 125165, 150198, 225297, 250330, 300396, 375495, 450594, 500660, 750990, 901188, 1126485, 1501980, 1777343, 2252970, 3554686, 4505940, 5332029, 7109372, 8886715, 10664058, 15996087, 17773430, 21328116, 26660145, 31992174, 35546860, 53320290, 63984348, 79980435, 106640580, 159960870, 319921740]

約数ペア:

[(1, 319921740), (2, 159960870), (3, 106640580), (4, 79980435), (5, 63984348), (6, 53320290), (9, 35546860), (10, 31992174), (12, 26660145), (15, 21328116), (18, 17773430), (20, 15996087), (30, 10664058), (36, 8886715), (45, 7109372), (60, 5332029), (71, 4505940), (90, 3554686), (142, 2252970), (180, 1777343), (213, 1501980), (284, 1126485), (355, 901188), (426, 750990), (639, 500660), (710, 450594), (852, 375495), (1065, 300396), (1278, 250330), (1420, 225297), (2130, 150198), (2556, 125165), (3195, 100132), (4260, 75099), (6390, 50066), (12780, 25033)]