28677060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{509}}^1$

素因数の和:837

約数の個数: 72

約数和(自身を含む): 87436440

約数和(自身を除く): 58759380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 313, 509, 626, 939, 1018, 1252, 1527, 1565, 1878, 2036, 2545, 2817, 3054, 3130, 3756, 4581, 4695, 5090, 5634, 6108, 6260, 7635, 9162, 9390, 10180, 11268, 14085, 15270, 18324, 18780, 22905, 28170, 30540, 45810, 56340, 91620, 159317, 318634, 477951, 637268, 796585, 955902, 1433853, 1593170, 1911804, 2389755, 2867706, 3186340, 4779510, 5735412, 7169265, 9559020, 14338530, 28677060]

約数ペア:

[(1, 28677060), (2, 14338530), (3, 9559020), (4, 7169265), (5, 5735412), (6, 4779510), (9, 3186340), (10, 2867706), (12, 2389755), (15, 1911804), (18, 1593170), (20, 1433853), (30, 955902), (36, 796585), (45, 637268), (60, 477951), (90, 318634), (180, 159317), (313, 91620), (509, 56340), (626, 45810), (939, 30540), (1018, 28170), (1252, 22905), (1527, 18780), (1565, 18324), (1878, 15270), (2036, 14085), (2545, 11268), (2817, 10180), (3054, 9390), (3130, 9162), (3756, 7635), (4581, 6260), (4695, 6108), (5090, 5634)]