1720239360

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{63997}}^1$

素因数の和:64028

約数の個数: 144

約数和(自身を含む): 6278971776

約数和(自身を除く): 4558732416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 26880, 63997, 127994, 191991, 255988, 319985, 383982, 447979, 511976, 639970, 767964, 895958, 959955, 1023952, 1279940, 1343937, 1535928, 1791916, 1919910, 2047904, 2239895, 2559880, 2687874, 3071856, 3583832, 3839820, 4095808, 4479790, 5119760, 5375748, 6143712, 6719685, 7167664, 7679640, 8191616, 8959580, 10239520, 10751496, 12287424, 13439370, 14335328, 15359280, 16383232, 17919160, 20479040, 21502992, 24574848, 26878740, 28670656, 30718560, 35838320, 40958080, 43005984, 49149696, 53757480, 57341312, 61437120, 71676640, 81916160, 86011968, 107514960, 114682624, 122874240, 143353280, 172023936, 215029920, 245748480, 286706560, 344047872, 430059840, 573413120, 860119680, 1720239360]

約数ペア:

[(1, 1720239360), (2, 860119680), (3, 573413120), (4, 430059840), (5, 344047872), (6, 286706560), (7, 245748480), (8, 215029920), (10, 172023936), (12, 143353280), (14, 122874240), (15, 114682624), (16, 107514960), (20, 86011968), (21, 81916160), (24, 71676640), (28, 61437120), (30, 57341312), (32, 53757480), (35, 49149696), (40, 43005984), (42, 40958080), (48, 35838320), (56, 30718560), (60, 28670656), (64, 26878740), (70, 24574848), (80, 21502992), (84, 20479040), (96, 17919160), (105, 16383232), (112, 15359280), (120, 14335328), (128, 13439370), (140, 12287424), (160, 10751496), (168, 10239520), (192, 8959580), (210, 8191616), (224, 7679640), (240, 7167664), (256, 6719685), (280, 6143712), (320, 5375748), (336, 5119760), (384, 4479790), (420, 4095808), (448, 3839820), (480, 3583832), (560, 3071856), (640, 2687874), (672, 2559880), (768, 2239895), (840, 2047904), (896, 1919910), (960, 1791916), (1120, 1535928), (1280, 1343937), (1344, 1279940), (1680, 1023952), (1792, 959955), (1920, 895958), (2240, 767964), (2688, 639970), (3360, 511976), (3840, 447979), (4480, 383982), (5376, 319985), (6720, 255988), (8960, 191991), (13440, 127994), (26880, 63997)]