289139220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{178481}}^1$

素因数の和:178502

約数の個数: 60

約数和(自身を含む): 907045524

約数和(自身を除く): 617906304

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, 178481, 356962, 535443, 713924, 892405, 1070886, 1606329, 1784810, 2141772, 2677215, 3212658, 3569620, 4818987, 5354430, 6425316, 8031645, 9637974, 10708860, 14456961, 16063290, 19275948, 24094935, 28913922, 32126580, 48189870, 57827844, 72284805, 96379740, 144569610, 289139220]

約数ペア:

[(1, 289139220), (2, 144569610), (3, 96379740), (4, 72284805), (5, 57827844), (6, 48189870), (9, 32126580), (10, 28913922), (12, 24094935), (15, 19275948), (18, 16063290), (20, 14456961), (27, 10708860), (30, 9637974), (36, 8031645), (45, 6425316), (54, 5354430), (60, 4818987), (81, 3569620), (90, 3212658), (108, 2677215), (135, 2141772), (162, 1784810), (180, 1606329), (270, 1070886), (324, 892405), (405, 713924), (540, 535443), (810, 356962), (1620, 178481)]