77428480

素因数分解:

$2^8\times 5^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 186976944

約数和(自身を除く): 109548464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 241, 251, 256, 320, 482, 502, 640, 964, 1004, 1205, 1255, 1280, 1928, 2008, 2410, 2510, 3856, 4016, 4820, 5020, 7712, 8032, 9640, 10040, 15424, 16064, 19280, 20080, 30848, 32128, 38560, 40160, 60491, 61696, 64256, 77120, 80320, 120982, 154240, 160640, 241964, 302455, 308480, 321280, 483928, 604910, 967856, 1209820, 1935712, 2419640, 3871424, 4839280, 7742848, 9678560, 15485696, 19357120, 38714240, 77428480]

約数ペア:

[(1, 77428480), (2, 38714240), (4, 19357120), (5, 15485696), (8, 9678560), (10, 7742848), (16, 4839280), (20, 3871424), (32, 2419640), (40, 1935712), (64, 1209820), (80, 967856), (128, 604910), (160, 483928), (241, 321280), (251, 308480), (256, 302455), (320, 241964), (482, 160640), (502, 154240), (640, 120982), (964, 80320), (1004, 77120), (1205, 64256), (1255, 61696), (1280, 60491), (1928, 40160), (2008, 38560), (2410, 32128), (2510, 30848), (3856, 20080), (4016, 19280), (4820, 16064), (5020, 15424), (7712, 10040), (8032, 9640)]