126420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1$

素因数の和:69

約数の個数: 72

約数和(自身を含む): 421344

約数和(自身を除く): 294924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 172, 196, 210, 215, 245, 258, 294, 301, 420, 430, 490, 516, 588, 602, 645, 735, 860, 903, 980, 1204, 1290, 1470, 1505, 1806, 2107, 2580, 2940, 3010, 3612, 4214, 4515, 6020, 6321, 8428, 9030, 10535, 12642, 18060, 21070, 25284, 31605, 42140, 63210, 126420]

約数ペア:

[(1, 126420), (2, 63210), (3, 42140), (4, 31605), (5, 25284), (6, 21070), (7, 18060), (10, 12642), (12, 10535), (14, 9030), (15, 8428), (20, 6321), (21, 6020), (28, 4515), (30, 4214), (35, 3612), (42, 3010), (43, 2940), (49, 2580), (60, 2107), (70, 1806), (84, 1505), (86, 1470), (98, 1290), (105, 1204), (129, 980), (140, 903), (147, 860), (172, 735), (196, 645), (210, 602), (215, 588), (245, 516), (258, 490), (294, 430), (301, 420)]