155916800

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{937}}^1$

素因数の和:978

約数の個数: 120

約数和(自身を含む): 416455116

約数和(自身を除く): 260538316

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 512, 520, 640, 650, 800, 832, 937, 1040, 1280, 1300, 1600, 1664, 1874, 2080, 2560, 2600, 3200, 3328, 3748, 4160, 4685, 5200, 6400, 6656, 7496, 8320, 9370, 10400, 12181, 12800, 14992, 16640, 18740, 20800, 23425, 24362, 29984, 33280, 37480, 41600, 46850, 48724, 59968, 60905, 74960, 83200, 93700, 97448, 119936, 121810, 149920, 166400, 187400, 194896, 239872, 243620, 299840, 304525, 374800, 389792, 479744, 487240, 599680, 609050, 749600, 779584, 974480, 1199360, 1218100, 1499200, 1559168, 1948960, 2398720, 2436200, 2998400, 3118336, 3897920, 4872400, 5996800, 6236672, 7795840, 9744800, 11993600, 15591680, 19489600, 31183360, 38979200, 77958400, 155916800]

約数ペア:

[(1, 155916800), (2, 77958400), (4, 38979200), (5, 31183360), (8, 19489600), (10, 15591680), (13, 11993600), (16, 9744800), (20, 7795840), (25, 6236672), (26, 5996800), (32, 4872400), (40, 3897920), (50, 3118336), (52, 2998400), (64, 2436200), (65, 2398720), (80, 1948960), (100, 1559168), (104, 1499200), (128, 1218100), (130, 1199360), (160, 974480), (200, 779584), (208, 749600), (256, 609050), (260, 599680), (320, 487240), (325, 479744), (400, 389792), (416, 374800), (512, 304525), (520, 299840), (640, 243620), (650, 239872), (800, 194896), (832, 187400), (937, 166400), (1040, 149920), (1280, 121810), (1300, 119936), (1600, 97448), (1664, 93700), (1874, 83200), (2080, 74960), (2560, 60905), (2600, 59968), (3200, 48724), (3328, 46850), (3748, 41600), (4160, 37480), (4685, 33280), (5200, 29984), (6400, 24362), (6656, 23425), (7496, 20800), (8320, 18740), (9370, 16640), (10400, 14992), (12181, 12800)]