76721920

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5449}}^1$

素因数の和:5481

約数の個数: 72

約数和(自身を含む): 200516400

約数和(自身を除く): 123794480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 5449, 7040, 10898, 14080, 21796, 27245, 43592, 54490, 59939, 87184, 108980, 119878, 174368, 217960, 239756, 299695, 348736, 435920, 479512, 599390, 697472, 871840, 959024, 1198780, 1394944, 1743680, 1918048, 2397560, 3487360, 3836096, 4795120, 6974720, 7672192, 9590240, 15344384, 19180480, 38360960, 76721920]

約数ペア:

[(1, 76721920), (2, 38360960), (4, 19180480), (5, 15344384), (8, 9590240), (10, 7672192), (11, 6974720), (16, 4795120), (20, 3836096), (22, 3487360), (32, 2397560), (40, 1918048), (44, 1743680), (55, 1394944), (64, 1198780), (80, 959024), (88, 871840), (110, 697472), (128, 599390), (160, 479512), (176, 435920), (220, 348736), (256, 299695), (320, 239756), (352, 217960), (440, 174368), (640, 119878), (704, 108980), (880, 87184), (1280, 59939), (1408, 54490), (1760, 43592), (2816, 27245), (3520, 21796), (5449, 14080), (7040, 10898)]