679540480

素因数分解:

$2^8\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3257}}^1$

素因数の和:3441

約数の個数: 72

約数和(自身を含む): 1638200592

約数和(自身を除く): 958660112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 256, 320, 326, 640, 652, 815, 1280, 1304, 1630, 2608, 3257, 3260, 5216, 6514, 6520, 10432, 13028, 13040, 16285, 20864, 26056, 26080, 32570, 41728, 52112, 52160, 65140, 104224, 104320, 130280, 208448, 208640, 260560, 416896, 521120, 530891, 833792, 1042240, 1061782, 2084480, 2123564, 2654455, 4168960, 4247128, 5308910, 8494256, 10617820, 16988512, 21235640, 33977024, 42471280, 67954048, 84942560, 135908096, 169885120, 339770240, 679540480]

約数ペア:

[(1, 679540480), (2, 339770240), (4, 169885120), (5, 135908096), (8, 84942560), (10, 67954048), (16, 42471280), (20, 33977024), (32, 21235640), (40, 16988512), (64, 10617820), (80, 8494256), (128, 5308910), (160, 4247128), (163, 4168960), (256, 2654455), (320, 2123564), (326, 2084480), (640, 1061782), (652, 1042240), (815, 833792), (1280, 530891), (1304, 521120), (1630, 416896), (2608, 260560), (3257, 208640), (3260, 208448), (5216, 130280), (6514, 104320), (6520, 104224), (10432, 65140), (13028, 52160), (13040, 52112), (16285, 41728), (20864, 32570), (26056, 26080)]