128796720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41281}}^1$

素因数の和:41310

約数の個数: 80

約数和(自身を含む): 429993312

約数和(自身を除く): 301196592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 41281, 82562, 123843, 165124, 206405, 247686, 330248, 412810, 495372, 536653, 619215, 660496, 825620, 990744, 1073306, 1238430, 1609959, 1651240, 1981488, 2146612, 2476860, 2683265, 3219918, 3302480, 4293224, 4953720, 5366530, 6439836, 8049795, 8586448, 9907440, 10733060, 12879672, 16099590, 21466120, 25759344, 32199180, 42932240, 64398360, 128796720]

約数ペア:

[(1, 128796720), (2, 64398360), (3, 42932240), (4, 32199180), (5, 25759344), (6, 21466120), (8, 16099590), (10, 12879672), (12, 10733060), (13, 9907440), (15, 8586448), (16, 8049795), (20, 6439836), (24, 5366530), (26, 4953720), (30, 4293224), (39, 3302480), (40, 3219918), (48, 2683265), (52, 2476860), (60, 2146612), (65, 1981488), (78, 1651240), (80, 1609959), (104, 1238430), (120, 1073306), (130, 990744), (156, 825620), (195, 660496), (208, 619215), (240, 536653), (260, 495372), (312, 412810), (390, 330248), (520, 247686), (624, 206405), (780, 165124), (1040, 123843), (1560, 82562), (3120, 41281)]