15690180975

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{51439}}^1$

素因数の和:51549

約数の個数: 72

約数和(自身を含む): 30540545280

約数和(自身を除く): 14850364305

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 83, 105, 147, 175, 245, 249, 415, 525, 581, 735, 1225, 1245, 1743, 2075, 2905, 3675, 4067, 6225, 8715, 12201, 14525, 20335, 43575, 51439, 61005, 101675, 154317, 257195, 305025, 360073, 771585, 1080219, 1285975, 1800365, 2520511, 3857925, 4269437, 5401095, 7561533, 9001825, 12602555, 12808311, 21347185, 27005475, 29886059, 37807665, 63012775, 64041555, 89658177, 106735925, 149430295, 189038325, 209202413, 320207775, 448290885, 627607239, 747151475, 1046012065, 2241454425, 3138036195, 5230060325, 15690180975]

約数ペア:

[(1, 15690180975), (3, 5230060325), (5, 3138036195), (7, 2241454425), (15, 1046012065), (21, 747151475), (25, 627607239), (35, 448290885), (49, 320207775), (75, 209202413), (83, 189038325), (105, 149430295), (147, 106735925), (175, 89658177), (245, 64041555), (249, 63012775), (415, 37807665), (525, 29886059), (581, 27005475), (735, 21347185), (1225, 12808311), (1245, 12602555), (1743, 9001825), (2075, 7561533), (2905, 5401095), (3675, 4269437), (4067, 3857925), (6225, 2520511), (8715, 1800365), (12201, 1285975), (14525, 1080219), (20335, 771585), (43575, 360073), (51439, 305025), (61005, 257195), (101675, 154317)]