320499840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2113}}^1$

素因数の和:2214

約数の個数: 128

約数和(自身を含む): 1035014400

約数和(自身を除く): 714514560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 316, 320, 384, 395, 474, 480, 632, 640, 790, 948, 960, 1185, 1264, 1580, 1896, 1920, 2113, 2370, 2528, 3160, 3792, 4226, 4740, 5056, 6320, 6339, 7584, 8452, 9480, 10112, 10565, 12640, 12678, 15168, 16904, 18960, 21130, 25280, 25356, 30336, 31695, 33808, 37920, 42260, 50560, 50712, 63390, 67616, 75840, 84520, 101424, 126780, 135232, 151680, 166927, 169040, 202848, 253560, 270464, 333854, 338080, 405696, 500781, 507120, 667708, 676160, 811392, 834635, 1001562, 1014240, 1335416, 1352320, 1669270, 2003124, 2028480, 2503905, 2670832, 3338540, 4006248, 4056960, 5007810, 5341664, 6677080, 8012496, 10015620, 10683328, 13354160, 16024992, 20031240, 21366656, 26708320, 32049984, 40062480, 53416640, 64099968, 80124960, 106833280, 160249920, 320499840]

約数ペア:

[(1, 320499840), (2, 160249920), (3, 106833280), (4, 80124960), (5, 64099968), (6, 53416640), (8, 40062480), (10, 32049984), (12, 26708320), (15, 21366656), (16, 20031240), (20, 16024992), (24, 13354160), (30, 10683328), (32, 10015620), (40, 8012496), (48, 6677080), (60, 5341664), (64, 5007810), (79, 4056960), (80, 4006248), (96, 3338540), (120, 2670832), (128, 2503905), (158, 2028480), (160, 2003124), (192, 1669270), (237, 1352320), (240, 1335416), (316, 1014240), (320, 1001562), (384, 834635), (395, 811392), (474, 676160), (480, 667708), (632, 507120), (640, 500781), (790, 405696), (948, 338080), (960, 333854), (1185, 270464), (1264, 253560), (1580, 202848), (1896, 169040), (1920, 166927), (2113, 151680), (2370, 135232), (2528, 126780), (3160, 101424), (3792, 84520), (4226, 75840), (4740, 67616), (5056, 63390), (6320, 50712), (6339, 50560), (7584, 42260), (8452, 37920), (9480, 33808), (10112, 31695), (10565, 30336), (12640, 25356), (12678, 25280), (15168, 21130), (16904, 18960)]