247079280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2411}}^1$

素因数の和:2495

約数の個数: 160

約数和(自身を含む): 890085888

約数和(自身を除く): 643006608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 105, 112, 120, 122, 140, 168, 183, 210, 240, 244, 280, 305, 336, 366, 420, 427, 488, 560, 610, 732, 840, 854, 915, 976, 1220, 1281, 1464, 1680, 1708, 1830, 2135, 2411, 2440, 2562, 2928, 3416, 3660, 4270, 4822, 4880, 5124, 6405, 6832, 7233, 7320, 8540, 9644, 10248, 12055, 12810, 14466, 14640, 16877, 17080, 19288, 20496, 24110, 25620, 28932, 33754, 34160, 36165, 38576, 48220, 50631, 51240, 57864, 67508, 72330, 84385, 96440, 101262, 102480, 115728, 135016, 144660, 147071, 168770, 192880, 202524, 253155, 270032, 289320, 294142, 337540, 405048, 441213, 506310, 578640, 588284, 675080, 735355, 810096, 882426, 1012620, 1029497, 1176568, 1350160, 1470710, 1764852, 2025240, 2058994, 2206065, 2353136, 2941420, 3088491, 3529704, 4050480, 4117988, 4412130, 5147485, 5882840, 6176982, 7059408, 8235976, 8824260, 10294970, 11765680, 12353964, 15442455, 16471952, 17648520, 20589940, 24707928, 30884910, 35297040, 41179880, 49415856, 61769820, 82359760, 123539640, 247079280]

約数ペア:

[(1, 247079280), (2, 123539640), (3, 82359760), (4, 61769820), (5, 49415856), (6, 41179880), (7, 35297040), (8, 30884910), (10, 24707928), (12, 20589940), (14, 17648520), (15, 16471952), (16, 15442455), (20, 12353964), (21, 11765680), (24, 10294970), (28, 8824260), (30, 8235976), (35, 7059408), (40, 6176982), (42, 5882840), (48, 5147485), (56, 4412130), (60, 4117988), (61, 4050480), (70, 3529704), (80, 3088491), (84, 2941420), (105, 2353136), (112, 2206065), (120, 2058994), (122, 2025240), (140, 1764852), (168, 1470710), (183, 1350160), (210, 1176568), (240, 1029497), (244, 1012620), (280, 882426), (305, 810096), (336, 735355), (366, 675080), (420, 588284), (427, 578640), (488, 506310), (560, 441213), (610, 405048), (732, 337540), (840, 294142), (854, 289320), (915, 270032), (976, 253155), (1220, 202524), (1281, 192880), (1464, 168770), (1680, 147071), (1708, 144660), (1830, 135016), (2135, 115728), (2411, 102480), (2440, 101262), (2562, 96440), (2928, 84385), (3416, 72330), (3660, 67508), (4270, 57864), (4822, 51240), (4880, 50631), (5124, 48220), (6405, 38576), (6832, 36165), (7233, 34160), (7320, 33754), (8540, 28932), (9644, 25620), (10248, 24110), (12055, 20496), (12810, 19288), (14466, 17080), (14640, 16877)]