215137920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1259}}^1$

素因数の和:1370

約数の個数: 128

約数和(自身を含む): 694008000

約数和(自身を除く): 478870080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 89, 96, 120, 128, 160, 178, 192, 240, 267, 320, 356, 384, 445, 480, 534, 640, 712, 890, 960, 1068, 1259, 1335, 1424, 1780, 1920, 2136, 2518, 2670, 2848, 3560, 3777, 4272, 5036, 5340, 5696, 6295, 7120, 7554, 8544, 10072, 10680, 11392, 12590, 14240, 15108, 17088, 18885, 20144, 21360, 25180, 28480, 30216, 34176, 37770, 40288, 42720, 50360, 56960, 60432, 75540, 80576, 85440, 100720, 112051, 120864, 151080, 161152, 170880, 201440, 224102, 241728, 302160, 336153, 402880, 448204, 483456, 560255, 604320, 672306, 805760, 896408, 1120510, 1208640, 1344612, 1680765, 1792816, 2241020, 2417280, 2689224, 3361530, 3585632, 4482040, 5378448, 6723060, 7171264, 8964080, 10756896, 13446120, 14342528, 17928160, 21513792, 26892240, 35856320, 43027584, 53784480, 71712640, 107568960, 215137920]

約数ペア:

[(1, 215137920), (2, 107568960), (3, 71712640), (4, 53784480), (5, 43027584), (6, 35856320), (8, 26892240), (10, 21513792), (12, 17928160), (15, 14342528), (16, 13446120), (20, 10756896), (24, 8964080), (30, 7171264), (32, 6723060), (40, 5378448), (48, 4482040), (60, 3585632), (64, 3361530), (80, 2689224), (89, 2417280), (96, 2241020), (120, 1792816), (128, 1680765), (160, 1344612), (178, 1208640), (192, 1120510), (240, 896408), (267, 805760), (320, 672306), (356, 604320), (384, 560255), (445, 483456), (480, 448204), (534, 402880), (640, 336153), (712, 302160), (890, 241728), (960, 224102), (1068, 201440), (1259, 170880), (1335, 161152), (1424, 151080), (1780, 120864), (1920, 112051), (2136, 100720), (2518, 85440), (2670, 80576), (2848, 75540), (3560, 60432), (3777, 56960), (4272, 50360), (5036, 42720), (5340, 40288), (5696, 37770), (6295, 34176), (7120, 30216), (7554, 28480), (8544, 25180), (10072, 21360), (10680, 20144), (11392, 18885), (12590, 17088), (14240, 15108)]