19655280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27299}}^1$

素因数の和:27318

約数の個数: 60

約数和(自身を含む): 66011400

約数和(自身を除く): 46356120

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, 27299, 54598, 81897, 109196, 136495, 163794, 218392, 245691, 272990, 327588, 409485, 436784, 491382, 545980, 655176, 818970, 982764, 1091960, 1228455, 1310352, 1637940, 1965528, 2183920, 2456910, 3275880, 3931056, 4913820, 6551760, 9827640, 19655280]

約数ペア:

[(1, 19655280), (2, 9827640), (3, 6551760), (4, 4913820), (5, 3931056), (6, 3275880), (8, 2456910), (9, 2183920), (10, 1965528), (12, 1637940), (15, 1310352), (16, 1228455), (18, 1091960), (20, 982764), (24, 818970), (30, 655176), (36, 545980), (40, 491382), (45, 436784), (48, 409485), (60, 327588), (72, 272990), (80, 245691), (90, 218392), (120, 163794), (144, 136495), (180, 109196), (240, 81897), (360, 54598), (720, 27299)]