1251568640

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{743}}^1$

素因数の和:822

約数の個数: 176

約数和(自身を含む): 3508918272

約数和(自身を除く): 2257349632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 140, 160, 188, 224, 235, 256, 280, 320, 329, 376, 448, 470, 512, 560, 640, 658, 743, 752, 896, 940, 1024, 1120, 1280, 1316, 1486, 1504, 1645, 1792, 1880, 2240, 2560, 2632, 2972, 3008, 3290, 3584, 3715, 3760, 4480, 5120, 5201, 5264, 5944, 6016, 6580, 7168, 7430, 7520, 8960, 10402, 10528, 11888, 12032, 13160, 14860, 15040, 17920, 20804, 21056, 23776, 24064, 26005, 26320, 29720, 30080, 34921, 35840, 41608, 42112, 47552, 48128, 52010, 52640, 59440, 60160, 69842, 83216, 84224, 95104, 104020, 105280, 118880, 120320, 139684, 166432, 168448, 174605, 190208, 208040, 210560, 237760, 240640, 244447, 279368, 332864, 336896, 349210, 380416, 416080, 421120, 475520, 488894, 558736, 665728, 698420, 760832, 832160, 842240, 951040, 977788, 1117472, 1222235, 1331456, 1396840, 1664320, 1684480, 1902080, 1955576, 2234944, 2444470, 2662912, 2793680, 3328640, 3804160, 3911152, 4469888, 4888940, 5325824, 5587360, 6657280, 7822304, 8939776, 9777880, 11174720, 13314560, 15644608, 17879552, 19555760, 22349440, 26629120, 31289216, 35759104, 39111520, 44698880, 62578432, 78223040, 89397760, 125156864, 156446080, 178795520, 250313728, 312892160, 625784320, 1251568640]

約数ペア:

[(1, 1251568640), (2, 625784320), (4, 312892160), (5, 250313728), (7, 178795520), (8, 156446080), (10, 125156864), (14, 89397760), (16, 78223040), (20, 62578432), (28, 44698880), (32, 39111520), (35, 35759104), (40, 31289216), (47, 26629120), (56, 22349440), (64, 19555760), (70, 17879552), (80, 15644608), (94, 13314560), (112, 11174720), (128, 9777880), (140, 8939776), (160, 7822304), (188, 6657280), (224, 5587360), (235, 5325824), (256, 4888940), (280, 4469888), (320, 3911152), (329, 3804160), (376, 3328640), (448, 2793680), (470, 2662912), (512, 2444470), (560, 2234944), (640, 1955576), (658, 1902080), (743, 1684480), (752, 1664320), (896, 1396840), (940, 1331456), (1024, 1222235), (1120, 1117472), (1280, 977788), (1316, 951040), (1486, 842240), (1504, 832160), (1645, 760832), (1792, 698420), (1880, 665728), (2240, 558736), (2560, 488894), (2632, 475520), (2972, 421120), (3008, 416080), (3290, 380416), (3584, 349210), (3715, 336896), (3760, 332864), (4480, 279368), (5120, 244447), (5201, 240640), (5264, 237760), (5944, 210560), (6016, 208040), (6580, 190208), (7168, 174605), (7430, 168448), (7520, 166432), (8960, 139684), (10402, 120320), (10528, 118880), (11888, 105280), (12032, 104020), (13160, 95104), (14860, 84224), (15040, 83216), (17920, 69842), (20804, 60160), (21056, 59440), (23776, 52640), (24064, 52010), (26005, 48128), (26320, 47552), (29720, 42112), (30080, 41608), (34921, 35840)]