161716660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{3511}}^1$

素因数の和:3581

約数の個数: 72

約数和(自身を含む): 403570944

約数和(自身を除く): 241854284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1316, 1645, 2303, 3290, 3511, 4606, 6580, 7022, 9212, 11515, 14044, 17555, 23030, 24577, 35110, 46060, 49154, 70220, 98308, 122885, 165017, 172039, 245770, 330034, 344078, 491540, 660068, 688156, 825085, 860195, 1155119, 1650170, 1720390, 2310238, 3300340, 3440780, 4620476, 5775595, 8085833, 11551190, 16171666, 23102380, 32343332, 40429165, 80858330, 161716660]

約数ペア:

[(1, 161716660), (2, 80858330), (4, 40429165), (5, 32343332), (7, 23102380), (10, 16171666), (14, 11551190), (20, 8085833), (28, 5775595), (35, 4620476), (47, 3440780), (49, 3300340), (70, 2310238), (94, 1720390), (98, 1650170), (140, 1155119), (188, 860195), (196, 825085), (235, 688156), (245, 660068), (329, 491540), (470, 344078), (490, 330034), (658, 245770), (940, 172039), (980, 165017), (1316, 122885), (1645, 98308), (2303, 70220), (3290, 49154), (3511, 46060), (4606, 35110), (6580, 24577), (7022, 23030), (9212, 17555), (11515, 14044)]