667380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{227}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 2183328

約数和(自身を除く): 1515948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 227, 245, 294, 420, 454, 490, 588, 681, 735, 908, 980, 1135, 1362, 1470, 1589, 2270, 2724, 2940, 3178, 3405, 4540, 4767, 6356, 6810, 7945, 9534, 11123, 13620, 15890, 19068, 22246, 23835, 31780, 33369, 44492, 47670, 55615, 66738, 95340, 111230, 133476, 166845, 222460, 333690, 667380]

約数ペア:

[(1, 667380), (2, 333690), (3, 222460), (4, 166845), (5, 133476), (6, 111230), (7, 95340), (10, 66738), (12, 55615), (14, 47670), (15, 44492), (20, 33369), (21, 31780), (28, 23835), (30, 22246), (35, 19068), (42, 15890), (49, 13620), (60, 11123), (70, 9534), (84, 7945), (98, 6810), (105, 6356), (140, 4767), (147, 4540), (196, 3405), (210, 3178), (227, 2940), (245, 2724), (294, 2270), (420, 1589), (454, 1470), (490, 1362), (588, 1135), (681, 980), (735, 908)]