12712280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 33143040

約数和(自身を除く): 20430760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 547, 581, 664, 830, 1094, 1162, 1660, 2188, 2324, 2735, 2905, 3320, 3829, 4376, 4648, 5470, 5810, 7658, 10940, 11620, 15316, 19145, 21880, 23240, 30632, 38290, 45401, 76580, 90802, 153160, 181604, 227005, 317807, 363208, 454010, 635614, 908020, 1271228, 1589035, 1816040, 2542456, 3178070, 6356140, 12712280]

約数ペア:

[(1, 12712280), (2, 6356140), (4, 3178070), (5, 2542456), (7, 1816040), (8, 1589035), (10, 1271228), (14, 908020), (20, 635614), (28, 454010), (35, 363208), (40, 317807), (56, 227005), (70, 181604), (83, 153160), (140, 90802), (166, 76580), (280, 45401), (332, 38290), (415, 30632), (547, 23240), (581, 21880), (664, 19145), (830, 15316), (1094, 11620), (1162, 10940), (1660, 7658), (2188, 5810), (2324, 5470), (2735, 4648), (2905, 4376), (3320, 3829)]