213666560

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2113}}^1$

素因数の和:2213

約数の個数: 72

約数和(自身を含む): 518521920

約数和(自身を除く): 304855360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 632, 640, 790, 1264, 1280, 1580, 2113, 2528, 3160, 4226, 5056, 6320, 8452, 10112, 10565, 12640, 16904, 20224, 21130, 25280, 33808, 42260, 50560, 67616, 84520, 101120, 135232, 166927, 169040, 270464, 333854, 338080, 540928, 667708, 676160, 834635, 1335416, 1352320, 1669270, 2670832, 2704640, 3338540, 5341664, 6677080, 10683328, 13354160, 21366656, 26708320, 42733312, 53416640, 106833280, 213666560]

約数ペア:

[(1, 213666560), (2, 106833280), (4, 53416640), (5, 42733312), (8, 26708320), (10, 21366656), (16, 13354160), (20, 10683328), (32, 6677080), (40, 5341664), (64, 3338540), (79, 2704640), (80, 2670832), (128, 1669270), (158, 1352320), (160, 1335416), (256, 834635), (316, 676160), (320, 667708), (395, 540928), (632, 338080), (640, 333854), (790, 270464), (1264, 169040), (1280, 166927), (1580, 135232), (2113, 101120), (2528, 84520), (3160, 67616), (4226, 50560), (5056, 42260), (6320, 33808), (8452, 25280), (10112, 21130), (10565, 20224), (12640, 16904)]