221479680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:582

約数の個数: 144

約数和(自身を含む): 714206304

約数和(自身を除く): 492726624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 137, 160, 192, 240, 256, 274, 320, 384, 411, 421, 480, 548, 640, 685, 768, 822, 842, 960, 1096, 1263, 1280, 1370, 1644, 1684, 1920, 2055, 2105, 2192, 2526, 2740, 3288, 3368, 3840, 4110, 4210, 4384, 5052, 5480, 6315, 6576, 6736, 8220, 8420, 8768, 10104, 10960, 12630, 13152, 13472, 16440, 16840, 17536, 20208, 21920, 25260, 26304, 26944, 32880, 33680, 35072, 40416, 43840, 50520, 52608, 53888, 57677, 65760, 67360, 80832, 87680, 101040, 105216, 107776, 115354, 131520, 134720, 161664, 173031, 175360, 202080, 230708, 263040, 269440, 288385, 323328, 346062, 404160, 461416, 526080, 538880, 576770, 692124, 808320, 865155, 922832, 1153540, 1384248, 1616640, 1730310, 1845664, 2307080, 2768496, 3460620, 3691328, 4614160, 5536992, 6921240, 7382656, 9228320, 11073984, 13842480, 14765312, 18456640, 22147968, 27684960, 36913280, 44295936, 55369920, 73826560, 110739840, 221479680]

約数ペア:

[(1, 221479680), (2, 110739840), (3, 73826560), (4, 55369920), (5, 44295936), (6, 36913280), (8, 27684960), (10, 22147968), (12, 18456640), (15, 14765312), (16, 13842480), (20, 11073984), (24, 9228320), (30, 7382656), (32, 6921240), (40, 5536992), (48, 4614160), (60, 3691328), (64, 3460620), (80, 2768496), (96, 2307080), (120, 1845664), (128, 1730310), (137, 1616640), (160, 1384248), (192, 1153540), (240, 922832), (256, 865155), (274, 808320), (320, 692124), (384, 576770), (411, 538880), (421, 526080), (480, 461416), (548, 404160), (640, 346062), (685, 323328), (768, 288385), (822, 269440), (842, 263040), (960, 230708), (1096, 202080), (1263, 175360), (1280, 173031), (1370, 161664), (1644, 134720), (1684, 131520), (1920, 115354), (2055, 107776), (2105, 105216), (2192, 101040), (2526, 87680), (2740, 80832), (3288, 67360), (3368, 65760), (3840, 57677), (4110, 53888), (4210, 52608), (4384, 50520), (5052, 43840), (5480, 40416), (6315, 35072), (6576, 33680), (6736, 32880), (8220, 26944), (8420, 26304), (8768, 25260), (10104, 21920), (10960, 20208), (12630, 17536), (13152, 16840), (13472, 16440)]