206871680

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10427}}^1$

素因数の和:10477

約数の個数: 64

約数和(自身を含む): 510554880

約数和(自身を除く): 303683200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 10427, 19840, 20854, 41708, 52135, 83416, 104270, 166832, 208540, 323237, 333664, 417080, 646474, 667328, 834160, 1292948, 1334656, 1616185, 1668320, 2585896, 3232370, 3336640, 5171792, 6464740, 6673280, 10343584, 12929480, 20687168, 25858960, 41374336, 51717920, 103435840, 206871680]

約数ペア:

[(1, 206871680), (2, 103435840), (4, 51717920), (5, 41374336), (8, 25858960), (10, 20687168), (16, 12929480), (20, 10343584), (31, 6673280), (32, 6464740), (40, 5171792), (62, 3336640), (64, 3232370), (80, 2585896), (124, 1668320), (128, 1616185), (155, 1334656), (160, 1292948), (248, 834160), (310, 667328), (320, 646474), (496, 417080), (620, 333664), (640, 323237), (992, 208540), (1240, 166832), (1984, 104270), (2480, 83416), (3968, 52135), (4960, 41708), (9920, 20854), (10427, 19840)]