161439040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{743}}^1$

素因数の和:864

約数の個数: 112

約数和(自身を含む): 444471552

約数和(自身を除く): 283032512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 97, 112, 140, 160, 194, 224, 280, 320, 388, 448, 485, 560, 679, 743, 776, 970, 1120, 1358, 1486, 1552, 1940, 2240, 2716, 2972, 3104, 3395, 3715, 3880, 5201, 5432, 5944, 6208, 6790, 7430, 7760, 10402, 10864, 11888, 13580, 14860, 15520, 20804, 21728, 23776, 26005, 27160, 29720, 31040, 41608, 43456, 47552, 52010, 54320, 59440, 72071, 83216, 104020, 108640, 118880, 144142, 166432, 208040, 217280, 237760, 288284, 332864, 360355, 416080, 504497, 576568, 720710, 832160, 1008994, 1153136, 1441420, 1664320, 2017988, 2306272, 2522485, 2882840, 4035976, 4612544, 5044970, 5765680, 8071952, 10089940, 11531360, 16143904, 20179880, 23062720, 32287808, 40359760, 80719520, 161439040]

約数ペア:

[(1, 161439040), (2, 80719520), (4, 40359760), (5, 32287808), (7, 23062720), (8, 20179880), (10, 16143904), (14, 11531360), (16, 10089940), (20, 8071952), (28, 5765680), (32, 5044970), (35, 4612544), (40, 4035976), (56, 2882840), (64, 2522485), (70, 2306272), (80, 2017988), (97, 1664320), (112, 1441420), (140, 1153136), (160, 1008994), (194, 832160), (224, 720710), (280, 576568), (320, 504497), (388, 416080), (448, 360355), (485, 332864), (560, 288284), (679, 237760), (743, 217280), (776, 208040), (970, 166432), (1120, 144142), (1358, 118880), (1486, 108640), (1552, 104020), (1940, 83216), (2240, 72071), (2716, 59440), (2972, 54320), (3104, 52010), (3395, 47552), (3715, 43456), (3880, 41608), (5201, 31040), (5432, 29720), (5944, 27160), (6208, 26005), (6790, 23776), (7430, 21728), (7760, 20804), (10402, 15520), (10864, 14860), (11888, 13580)]