16456280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 39744000

約数和(自身を除く): 23287720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 367, 380, 472, 590, 734, 760, 1121, 1180, 1468, 1835, 2242, 2360, 2936, 3670, 4484, 5605, 6973, 7340, 8968, 11210, 13946, 14680, 21653, 22420, 27892, 34865, 43306, 44840, 55784, 69730, 86612, 108265, 139460, 173224, 216530, 278920, 411407, 433060, 822814, 866120, 1645628, 2057035, 3291256, 4114070, 8228140, 16456280]

約数ペア:

[(1, 16456280), (2, 8228140), (4, 4114070), (5, 3291256), (8, 2057035), (10, 1645628), (19, 866120), (20, 822814), (38, 433060), (40, 411407), (59, 278920), (76, 216530), (95, 173224), (118, 139460), (152, 108265), (190, 86612), (236, 69730), (295, 55784), (367, 44840), (380, 43306), (472, 34865), (590, 27892), (734, 22420), (760, 21653), (1121, 14680), (1180, 13946), (1468, 11210), (1835, 8968), (2242, 7340), (2360, 6973), (2936, 5605), (3670, 4484)]