67072180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:881

約数の個数: 72

約数和(自身を含む): 165904200

約数和(自身を除く): 98832020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 769, 890, 980, 1246, 1538, 1780, 2492, 3076, 3115, 3845, 4361, 5383, 6230, 7690, 8722, 10766, 12460, 15380, 17444, 21532, 21805, 26915, 37681, 43610, 53830, 68441, 75362, 87220, 107660, 136882, 150724, 188405, 273764, 342205, 376810, 479087, 684410, 753620, 958174, 1368820, 1916348, 2395435, 3353609, 4790870, 6707218, 9581740, 13414436, 16768045, 33536090, 67072180]

約数ペア:

[(1, 67072180), (2, 33536090), (4, 16768045), (5, 13414436), (7, 9581740), (10, 6707218), (14, 4790870), (20, 3353609), (28, 2395435), (35, 1916348), (49, 1368820), (70, 958174), (89, 753620), (98, 684410), (140, 479087), (178, 376810), (196, 342205), (245, 273764), (356, 188405), (445, 150724), (490, 136882), (623, 107660), (769, 87220), (890, 75362), (980, 68441), (1246, 53830), (1538, 43610), (1780, 37681), (2492, 26915), (3076, 21805), (3115, 21532), (3845, 17444), (4361, 15380), (5383, 12460), (6230, 10766), (7690, 8722)]