318385280

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26183}}^1$

素因数の和:26221

約数の個数: 64

約数和(自身を含む): 801230400

約数和(自身を除く): 482845120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 26183, 52366, 104732, 130915, 209464, 261830, 418928, 497477, 523660, 837856, 994954, 1047320, 1675712, 1989908, 2094640, 2487385, 3351424, 3979816, 4189280, 4974770, 7959632, 8378560, 9949540, 15919264, 16757120, 19899080, 31838528, 39798160, 63677056, 79596320, 159192640, 318385280]

約数ペア:

[(1, 318385280), (2, 159192640), (4, 79596320), (5, 63677056), (8, 39798160), (10, 31838528), (16, 19899080), (19, 16757120), (20, 15919264), (32, 9949540), (38, 8378560), (40, 7959632), (64, 4974770), (76, 4189280), (80, 3979816), (95, 3351424), (128, 2487385), (152, 2094640), (160, 1989908), (190, 1675712), (304, 1047320), (320, 994954), (380, 837856), (608, 523660), (640, 497477), (760, 418928), (1216, 261830), (1520, 209464), (2432, 130915), (3040, 104732), (6080, 52366), (12160, 26183)]