31788680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10321}}^1$

素因数の和:10350

約数の個数: 64

約数和(自身を含む): 89182080

約数和(自身を除く): 57393400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 10321, 20642, 41284, 51605, 72247, 82568, 103210, 113531, 144494, 206420, 227062, 288988, 361235, 412840, 454124, 567655, 577976, 722470, 794717, 908248, 1135310, 1444940, 1589434, 2270620, 2889880, 3178868, 3973585, 4541240, 6357736, 7947170, 15894340, 31788680]

約数ペア:

[(1, 31788680), (2, 15894340), (4, 7947170), (5, 6357736), (7, 4541240), (8, 3973585), (10, 3178868), (11, 2889880), (14, 2270620), (20, 1589434), (22, 1444940), (28, 1135310), (35, 908248), (40, 794717), (44, 722470), (55, 577976), (56, 567655), (70, 454124), (77, 412840), (88, 361235), (110, 288988), (140, 227062), (154, 206420), (220, 144494), (280, 113531), (308, 103210), (385, 82568), (440, 72247), (616, 51605), (770, 41284), (1540, 20642), (3080, 10321)]