990915840

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{86017}}^1$

素因数の和:86044

約数の個数: 108

約数和(自身を含む): 3428505444

約数和(自身を除く): 2437589604

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 86017, 172034, 258051, 344068, 430085, 516102, 688136, 774153, 860170, 1032204, 1290255, 1376272, 1548306, 1720340, 2064408, 2580510, 2752544, 3096612, 3440680, 3870765, 4128816, 5161020, 5505088, 6193224, 6881360, 7741530, 8257632, 10322040, 11010176, 12386448, 13762720, 15483060, 16515264, 20644080, 22020352, 24772896, 27525440, 30966120, 33030528, 41288160, 49545792, 55050880, 61932240, 66061056, 82576320, 99091584, 110101760, 123864480, 165152640, 198183168, 247728960, 330305280, 495457920, 990915840]

約数ペア:

[(1, 990915840), (2, 495457920), (3, 330305280), (4, 247728960), (5, 198183168), (6, 165152640), (8, 123864480), (9, 110101760), (10, 99091584), (12, 82576320), (15, 66061056), (16, 61932240), (18, 55050880), (20, 49545792), (24, 41288160), (30, 33030528), (32, 30966120), (36, 27525440), (40, 24772896), (45, 22020352), (48, 20644080), (60, 16515264), (64, 15483060), (72, 13762720), (80, 12386448), (90, 11010176), (96, 10322040), (120, 8257632), (128, 7741530), (144, 6881360), (160, 6193224), (180, 5505088), (192, 5161020), (240, 4128816), (256, 3870765), (288, 3440680), (320, 3096612), (360, 2752544), (384, 2580510), (480, 2064408), (576, 1720340), (640, 1548306), (720, 1376272), (768, 1290255), (960, 1032204), (1152, 860170), (1280, 774153), (1440, 688136), (1920, 516102), (2304, 430085), (2880, 344068), (3840, 258051), (5760, 172034), (11520, 86017)]