400328640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{607}}^1$

素因数の和:859

約数の個数: 168

約数和(自身を含む): 1385255040

約数和(自身を除く): 984926400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 229, 240, 288, 320, 360, 458, 480, 576, 607, 687, 720, 916, 960, 1145, 1214, 1374, 1440, 1821, 1832, 2061, 2290, 2428, 2748, 2880, 3035, 3435, 3642, 3664, 4122, 4580, 4856, 5463, 5496, 6070, 6870, 7284, 7328, 8244, 9105, 9160, 9712, 10305, 10926, 10992, 12140, 13740, 14568, 14656, 16488, 18210, 18320, 19424, 20610, 21852, 21984, 24280, 27315, 27480, 29136, 32976, 36420, 36640, 38848, 41220, 43704, 43968, 48560, 54630, 54960, 58272, 65952, 72840, 73280, 82440, 87408, 97120, 109260, 109920, 116544, 131904, 139003, 145680, 164880, 174816, 194240, 218520, 219840, 278006, 291360, 329760, 349632, 417009, 437040, 556012, 582720, 659520, 695015, 834018, 874080, 1112024, 1251027, 1390030, 1668036, 1748160, 2085045, 2224048, 2502054, 2780060, 3336072, 4170090, 4448096, 5004108, 5560120, 6255135, 6672144, 8340180, 8896192, 10008216, 11120240, 12510270, 13344288, 16680360, 20016432, 22240480, 25020540, 26688576, 33360720, 40032864, 44480960, 50041080, 66721440, 80065728, 100082160, 133442880, 200164320, 400328640]

約数ペア:

[(1, 400328640), (2, 200164320), (3, 133442880), (4, 100082160), (5, 80065728), (6, 66721440), (8, 50041080), (9, 44480960), (10, 40032864), (12, 33360720), (15, 26688576), (16, 25020540), (18, 22240480), (20, 20016432), (24, 16680360), (30, 13344288), (32, 12510270), (36, 11120240), (40, 10008216), (45, 8896192), (48, 8340180), (60, 6672144), (64, 6255135), (72, 5560120), (80, 5004108), (90, 4448096), (96, 4170090), (120, 3336072), (144, 2780060), (160, 2502054), (180, 2224048), (192, 2085045), (229, 1748160), (240, 1668036), (288, 1390030), (320, 1251027), (360, 1112024), (458, 874080), (480, 834018), (576, 695015), (607, 659520), (687, 582720), (720, 556012), (916, 437040), (960, 417009), (1145, 349632), (1214, 329760), (1374, 291360), (1440, 278006), (1821, 219840), (1832, 218520), (2061, 194240), (2290, 174816), (2428, 164880), (2748, 145680), (2880, 139003), (3035, 131904), (3435, 116544), (3642, 109920), (3664, 109260), (4122, 97120), (4580, 87408), (4856, 82440), (5463, 73280), (5496, 72840), (6070, 65952), (6870, 58272), (7284, 54960), (7328, 54630), (8244, 48560), (9105, 43968), (9160, 43704), (9712, 41220), (10305, 38848), (10926, 36640), (10992, 36420), (12140, 32976), (13740, 29136), (14568, 27480), (14656, 27315), (16488, 24280), (18210, 21984), (18320, 21852), (19424, 20610)]