80138880

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13913}}^1$

素因数の和:13938

約数の個数: 96

約数和(自身を含む): 276749460

約数和(自身を除く): 196610580

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, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2880, 5760, 13913, 27826, 41739, 55652, 69565, 83478, 111304, 125217, 139130, 166956, 208695, 222608, 250434, 278260, 333912, 417390, 445216, 500868, 556520, 626085, 667824, 834780, 890432, 1001736, 1113040, 1252170, 1335648, 1669560, 1780864, 2003472, 2226080, 2504340, 2671296, 3339120, 4006944, 4452160, 5008680, 5342592, 6678240, 8013888, 8904320, 10017360, 13356480, 16027776, 20034720, 26712960, 40069440, 80138880]

約数ペア:

[(1, 80138880), (2, 40069440), (3, 26712960), (4, 20034720), (5, 16027776), (6, 13356480), (8, 10017360), (9, 8904320), (10, 8013888), (12, 6678240), (15, 5342592), (16, 5008680), (18, 4452160), (20, 4006944), (24, 3339120), (30, 2671296), (32, 2504340), (36, 2226080), (40, 2003472), (45, 1780864), (48, 1669560), (60, 1335648), (64, 1252170), (72, 1113040), (80, 1001736), (90, 890432), (96, 834780), (120, 667824), (128, 626085), (144, 556520), (160, 500868), (180, 445216), (192, 417390), (240, 333912), (288, 278260), (320, 250434), (360, 222608), (384, 208695), (480, 166956), (576, 139130), (640, 125217), (720, 111304), (960, 83478), (1152, 69565), (1440, 55652), (1920, 41739), (2880, 27826), (5760, 13913)]