280229220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{172981}}^1$

素因数の和:173002

約数の個数: 60

約数和(自身を含む): 879094524

約数和(自身を除く): 598865304

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 172981, 345962, 518943, 691924, 864905, 1037886, 1556829, 1729810, 2075772, 2594715, 3113658, 3459620, 4670487, 5189430, 6227316, 7784145, 9340974, 10378860, 14011461, 15568290, 18681948, 23352435, 28022922, 31136580, 46704870, 56045844, 70057305, 93409740, 140114610, 280229220]

約数ペア:

[(1, 280229220), (2, 140114610), (3, 93409740), (4, 70057305), (5, 56045844), (6, 46704870), (9, 31136580), (10, 28022922), (12, 23352435), (15, 18681948), (18, 15568290), (20, 14011461), (27, 10378860), (30, 9340974), (36, 7784145), (45, 6227316), (54, 5189430), (60, 4670487), (81, 3459620), (90, 3113658), (108, 2594715), (135, 2075772), (162, 1729810), (180, 1556829), (270, 1037886), (324, 864905), (405, 691924), (540, 518943), (810, 345962), (1620, 172981)]