28257480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1481}}^1$

素因数の和:1551

約数の個数: 96

約数和(自身を含む): 93632760

約数和(自身を除く): 65375280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 53, 60, 72, 90, 106, 120, 159, 180, 212, 265, 318, 360, 424, 477, 530, 636, 795, 954, 1060, 1272, 1481, 1590, 1908, 2120, 2385, 2962, 3180, 3816, 4443, 4770, 5924, 6360, 7405, 8886, 9540, 11848, 13329, 14810, 17772, 19080, 22215, 26658, 29620, 35544, 44430, 53316, 59240, 66645, 78493, 88860, 106632, 133290, 156986, 177720, 235479, 266580, 313972, 392465, 470958, 533160, 627944, 706437, 784930, 941916, 1177395, 1412874, 1569860, 1883832, 2354790, 2825748, 3139720, 3532185, 4709580, 5651496, 7064370, 9419160, 14128740, 28257480]

約数ペア:

[(1, 28257480), (2, 14128740), (3, 9419160), (4, 7064370), (5, 5651496), (6, 4709580), (8, 3532185), (9, 3139720), (10, 2825748), (12, 2354790), (15, 1883832), (18, 1569860), (20, 1412874), (24, 1177395), (30, 941916), (36, 784930), (40, 706437), (45, 627944), (53, 533160), (60, 470958), (72, 392465), (90, 313972), (106, 266580), (120, 235479), (159, 177720), (180, 156986), (212, 133290), (265, 106632), (318, 88860), (360, 78493), (424, 66645), (477, 59240), (530, 53316), (636, 44430), (795, 35544), (954, 29620), (1060, 26658), (1272, 22215), (1481, 19080), (1590, 17772), (1908, 14810), (2120, 13329), (2385, 11848), (2962, 9540), (3180, 8886), (3816, 7405), (4443, 6360), (4770, 5924)]