311937920

素因数分解:

$2^7\times 5^1\times 7^5\times {\mathrm{29}}^1$

素因数の和:83

約数の個数: 192

約数和(自身を含む): 900007200

約数和(自身を除く): 588069280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 64, 70, 80, 98, 112, 116, 128, 140, 145, 160, 196, 203, 224, 232, 245, 280, 290, 320, 343, 392, 406, 448, 464, 490, 560, 580, 640, 686, 784, 812, 896, 928, 980, 1015, 1120, 1160, 1372, 1421, 1568, 1624, 1715, 1856, 1960, 2030, 2240, 2320, 2401, 2744, 2842, 3136, 3248, 3430, 3712, 3920, 4060, 4480, 4640, 4802, 5488, 5684, 6272, 6496, 6860, 7105, 7840, 8120, 9280, 9604, 9947, 10976, 11368, 12005, 12992, 13720, 14210, 15680, 16240, 16807, 18560, 19208, 19894, 21952, 22736, 24010, 25984, 27440, 28420, 31360, 32480, 33614, 38416, 39788, 43904, 45472, 48020, 49735, 54880, 56840, 64960, 67228, 69629, 76832, 79576, 84035, 90944, 96040, 99470, 109760, 113680, 129920, 134456, 139258, 153664, 159152, 168070, 181888, 192080, 198940, 219520, 227360, 268912, 278516, 307328, 318304, 336140, 348145, 384160, 397880, 454720, 487403, 537824, 557032, 636608, 672280, 696290, 768320, 795760, 909440, 974806, 1075648, 1114064, 1273216, 1344560, 1392580, 1536640, 1591520, 1949612, 2151296, 2228128, 2437015, 2689120, 2785160, 3183040, 3899224, 4456256, 4874030, 5378240, 5570320, 6366080, 7798448, 8912512, 9748060, 10756480, 11140640, 15596896, 19496120, 22281280, 31193792, 38992240, 44562560, 62387584, 77984480, 155968960, 311937920]

約数ペア:

[(1, 311937920), (2, 155968960), (4, 77984480), (5, 62387584), (7, 44562560), (8, 38992240), (10, 31193792), (14, 22281280), (16, 19496120), (20, 15596896), (28, 11140640), (29, 10756480), (32, 9748060), (35, 8912512), (40, 7798448), (49, 6366080), (56, 5570320), (58, 5378240), (64, 4874030), (70, 4456256), (80, 3899224), (98, 3183040), (112, 2785160), (116, 2689120), (128, 2437015), (140, 2228128), (145, 2151296), (160, 1949612), (196, 1591520), (203, 1536640), (224, 1392580), (232, 1344560), (245, 1273216), (280, 1114064), (290, 1075648), (320, 974806), (343, 909440), (392, 795760), (406, 768320), (448, 696290), (464, 672280), (490, 636608), (560, 557032), (580, 537824), (640, 487403), (686, 454720), (784, 397880), (812, 384160), (896, 348145), (928, 336140), (980, 318304), (1015, 307328), (1120, 278516), (1160, 268912), (1372, 227360), (1421, 219520), (1568, 198940), (1624, 192080), (1715, 181888), (1856, 168070), (1960, 159152), (2030, 153664), (2240, 139258), (2320, 134456), (2401, 129920), (2744, 113680), (2842, 109760), (3136, 99470), (3248, 96040), (3430, 90944), (3712, 84035), (3920, 79576), (4060, 76832), (4480, 69629), (4640, 67228), (4802, 64960), (5488, 56840), (5684, 54880), (6272, 49735), (6496, 48020), (6860, 45472), (7105, 43904), (7840, 39788), (8120, 38416), (9280, 33614), (9604, 32480), (9947, 31360), (10976, 28420), (11368, 27440), (12005, 25984), (12992, 24010), (13720, 22736), (14210, 21952), (15680, 19894), (16240, 19208), (16807, 18560)]