64269440

素因数分解:

$2^7\times 5^1\times {\mathrm{137}}^1\times {\mathrm{733}}^1$

素因数の和:889

約数の個数: 64

約数和(自身を含む): 154976760

約数和(自身を除く): 90707320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 274, 320, 548, 640, 685, 733, 1096, 1370, 1466, 2192, 2740, 2932, 3665, 4384, 5480, 5864, 7330, 8768, 10960, 11728, 14660, 17536, 21920, 23456, 29320, 43840, 46912, 58640, 87680, 93824, 100421, 117280, 200842, 234560, 401684, 469120, 502105, 803368, 1004210, 1606736, 2008420, 3213472, 4016840, 6426944, 8033680, 12853888, 16067360, 32134720, 64269440]

約数ペア:

[(1, 64269440), (2, 32134720), (4, 16067360), (5, 12853888), (8, 8033680), (10, 6426944), (16, 4016840), (20, 3213472), (32, 2008420), (40, 1606736), (64, 1004210), (80, 803368), (128, 502105), (137, 469120), (160, 401684), (274, 234560), (320, 200842), (548, 117280), (640, 100421), (685, 93824), (733, 87680), (1096, 58640), (1370, 46912), (1466, 43840), (2192, 29320), (2740, 23456), (2932, 21920), (3665, 17536), (4384, 14660), (5480, 11728), (5864, 10960), (7330, 8768)]