77575960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:401

約数の個数: 128

約数和(自身を含む): 220838400

約数和(自身を除く): 143262440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 89, 110, 140, 154, 178, 220, 280, 283, 308, 356, 385, 440, 445, 566, 616, 623, 712, 770, 890, 979, 1132, 1246, 1415, 1540, 1780, 1958, 1981, 2264, 2492, 2830, 3080, 3113, 3115, 3560, 3916, 3962, 4895, 4984, 5660, 6226, 6230, 6853, 7832, 7924, 9790, 9905, 11320, 12452, 12460, 13706, 15565, 15848, 19580, 19810, 21791, 24904, 24920, 25187, 27412, 31130, 34265, 39160, 39620, 43582, 50374, 54824, 62260, 68530, 79240, 87164, 100748, 108955, 124520, 125935, 137060, 174328, 176309, 201496, 217910, 251870, 274120, 277057, 352618, 435820, 503740, 554114, 705236, 871640, 881545, 1007480, 1108228, 1385285, 1410472, 1763090, 1939399, 2216456, 2770570, 3526180, 3878798, 5541140, 7052360, 7757596, 9696995, 11082280, 15515192, 19393990, 38787980, 77575960]

約数ペア:

[(1, 77575960), (2, 38787980), (4, 19393990), (5, 15515192), (7, 11082280), (8, 9696995), (10, 7757596), (11, 7052360), (14, 5541140), (20, 3878798), (22, 3526180), (28, 2770570), (35, 2216456), (40, 1939399), (44, 1763090), (55, 1410472), (56, 1385285), (70, 1108228), (77, 1007480), (88, 881545), (89, 871640), (110, 705236), (140, 554114), (154, 503740), (178, 435820), (220, 352618), (280, 277057), (283, 274120), (308, 251870), (356, 217910), (385, 201496), (440, 176309), (445, 174328), (566, 137060), (616, 125935), (623, 124520), (712, 108955), (770, 100748), (890, 87164), (979, 79240), (1132, 68530), (1246, 62260), (1415, 54824), (1540, 50374), (1780, 43582), (1958, 39620), (1981, 39160), (2264, 34265), (2492, 31130), (2830, 27412), (3080, 25187), (3113, 24920), (3115, 24904), (3560, 21791), (3916, 19810), (3962, 19580), (4895, 15848), (4984, 15565), (5660, 13706), (6226, 12460), (6230, 12452), (6853, 11320), (7832, 9905), (7924, 9790)]