28007160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13729}}^1$

素因数の和:13760

約数の個数: 64

約数和(自身を含む): 88970400

約数和(自身を除く): 60963240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 13729, 27458, 41187, 54916, 68645, 82374, 109832, 137290, 164748, 205935, 233393, 274580, 329496, 411870, 466786, 549160, 700179, 823740, 933572, 1166965, 1400358, 1647480, 1867144, 2333930, 2800716, 3500895, 4667860, 5601432, 7001790, 9335720, 14003580, 28007160]

約数ペア:

[(1, 28007160), (2, 14003580), (3, 9335720), (4, 7001790), (5, 5601432), (6, 4667860), (8, 3500895), (10, 2800716), (12, 2333930), (15, 1867144), (17, 1647480), (20, 1400358), (24, 1166965), (30, 933572), (34, 823740), (40, 700179), (51, 549160), (60, 466786), (68, 411870), (85, 329496), (102, 274580), (120, 233393), (136, 205935), (170, 164748), (204, 137290), (255, 109832), (340, 82374), (408, 68645), (510, 54916), (680, 41187), (1020, 27458), (2040, 13729)]