12402990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 33592320

約数和(自身を除く): 21189330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 213, 270, 355, 426, 639, 647, 710, 1065, 1278, 1294, 1917, 1941, 2130, 3195, 3235, 3834, 3882, 5823, 6390, 6470, 9585, 9705, 11646, 17469, 19170, 19410, 29115, 34938, 45937, 58230, 87345, 91874, 137811, 174690, 229685, 275622, 413433, 459370, 689055, 826866, 1240299, 1378110, 2067165, 2480598, 4134330, 6201495, 12402990]

約数ペア:

[(1, 12402990), (2, 6201495), (3, 4134330), (5, 2480598), (6, 2067165), (9, 1378110), (10, 1240299), (15, 826866), (18, 689055), (27, 459370), (30, 413433), (45, 275622), (54, 229685), (71, 174690), (90, 137811), (135, 91874), (142, 87345), (213, 58230), (270, 45937), (355, 34938), (426, 29115), (639, 19410), (647, 19170), (710, 17469), (1065, 11646), (1278, 9705), (1294, 9585), (1917, 6470), (1941, 6390), (2130, 5823), (3195, 3882), (3235, 3834)]