28290870

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{659}}^1$

素因数の和:731

約数の個数: 80

約数和(自身を含む): 77623920

約数和(自身を除く): 49333050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 81, 90, 106, 135, 159, 162, 265, 270, 318, 405, 477, 530, 659, 795, 810, 954, 1318, 1431, 1590, 1977, 2385, 2862, 3295, 3954, 4293, 4770, 5931, 6590, 7155, 8586, 9885, 11862, 14310, 17793, 19770, 21465, 29655, 34927, 35586, 42930, 53379, 59310, 69854, 88965, 104781, 106758, 174635, 177930, 209562, 266895, 314343, 349270, 523905, 533790, 628686, 943029, 1047810, 1571715, 1886058, 2829087, 3143430, 4715145, 5658174, 9430290, 14145435, 28290870]

約数ペア:

[(1, 28290870), (2, 14145435), (3, 9430290), (5, 5658174), (6, 4715145), (9, 3143430), (10, 2829087), (15, 1886058), (18, 1571715), (27, 1047810), (30, 943029), (45, 628686), (53, 533790), (54, 523905), (81, 349270), (90, 314343), (106, 266895), (135, 209562), (159, 177930), (162, 174635), (265, 106758), (270, 104781), (318, 88965), (405, 69854), (477, 59310), (530, 53379), (659, 42930), (795, 35586), (810, 34927), (954, 29655), (1318, 21465), (1431, 19770), (1590, 17793), (1977, 14310), (2385, 11862), (2862, 9885), (3295, 8586), (3954, 7155), (4293, 6590), (4770, 5931)]