208256160

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{61981}}^1$

素因数の和:62006

約数の個数: 96

約数和(自身を含む): 749734272

約数和(自身を除く): 541478112

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, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 61981, 123962, 185943, 247924, 309905, 371886, 433867, 495848, 619810, 743772, 867734, 929715, 991696, 1239620, 1301601, 1487544, 1735468, 1859430, 1983392, 2169335, 2479240, 2603202, 2975088, 3470936, 3718860, 4338670, 4958480, 5206404, 5950176, 6508005, 6941872, 7437720, 8677340, 9916960, 10412808, 13016010, 13883744, 14875440, 17354680, 20825616, 26032020, 29750880, 34709360, 41651232, 52064040, 69418720, 104128080, 208256160]

約数ペア:

[(1, 208256160), (2, 104128080), (3, 69418720), (4, 52064040), (5, 41651232), (6, 34709360), (7, 29750880), (8, 26032020), (10, 20825616), (12, 17354680), (14, 14875440), (15, 13883744), (16, 13016010), (20, 10412808), (21, 9916960), (24, 8677340), (28, 7437720), (30, 6941872), (32, 6508005), (35, 5950176), (40, 5206404), (42, 4958480), (48, 4338670), (56, 3718860), (60, 3470936), (70, 2975088), (80, 2603202), (84, 2479240), (96, 2169335), (105, 1983392), (112, 1859430), (120, 1735468), (140, 1487544), (160, 1301601), (168, 1239620), (210, 991696), (224, 929715), (240, 867734), (280, 743772), (336, 619810), (420, 495848), (480, 433867), (560, 371886), (672, 309905), (840, 247924), (1120, 185943), (1680, 123962), (3360, 61981)]