20260755840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{811729}}^1$

素因数の和:811764

約数の個数: 128

約数和(自身を含む): 69549026400

約数和(自身を除く): 49288270560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 811729, 1623458, 2435187, 3246916, 4058645, 4870374, 6493832, 8117290, 9740748, 10552477, 12175935, 12987664, 16234580, 19481496, 21104954, 24351870, 25975328, 31657431, 32469160, 38962992, 42209908, 48703740, 51950656, 52762385, 63314862, 64938320, 77925984, 84419816, 97407480, 103901312, 105524770, 126629724, 129876640, 155851968, 158287155, 168839632, 194814960, 211049540, 253259448, 259753280, 311703936, 316574310, 337679264, 389629920, 422099080, 506518896, 519506560, 633148620, 675358528, 779259840, 844198160, 1013037792, 1266297240, 1350717056, 1558519680, 1688396320, 2026075584, 2532594480, 3376792640, 4052151168, 5065188960, 6753585280, 10130377920, 20260755840]

約数ペア:

[(1, 20260755840), (2, 10130377920), (3, 6753585280), (4, 5065188960), (5, 4052151168), (6, 3376792640), (8, 2532594480), (10, 2026075584), (12, 1688396320), (13, 1558519680), (15, 1350717056), (16, 1266297240), (20, 1013037792), (24, 844198160), (26, 779259840), (30, 675358528), (32, 633148620), (39, 519506560), (40, 506518896), (48, 422099080), (52, 389629920), (60, 337679264), (64, 316574310), (65, 311703936), (78, 259753280), (80, 253259448), (96, 211049540), (104, 194814960), (120, 168839632), (128, 158287155), (130, 155851968), (156, 129876640), (160, 126629724), (192, 105524770), (195, 103901312), (208, 97407480), (240, 84419816), (260, 77925984), (312, 64938320), (320, 63314862), (384, 52762385), (390, 51950656), (416, 48703740), (480, 42209908), (520, 38962992), (624, 32469160), (640, 31657431), (780, 25975328), (832, 24351870), (960, 21104954), (1040, 19481496), (1248, 16234580), (1560, 12987664), (1664, 12175935), (1920, 10552477), (2080, 9740748), (2496, 8117290), (3120, 6493832), (4160, 4870374), (4992, 4058645), (6240, 3246916), (8320, 2435187), (12480, 1623458), (24960, 811729)]