12442780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 31997952

約数和(自身を除く): 19555172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 47, 61, 62, 70, 94, 122, 124, 140, 155, 188, 217, 235, 244, 305, 310, 329, 427, 434, 470, 610, 620, 658, 854, 868, 940, 1085, 1220, 1316, 1457, 1645, 1708, 1891, 2135, 2170, 2867, 2914, 3290, 3782, 4270, 4340, 5734, 5828, 6580, 7285, 7564, 8540, 9455, 10199, 11468, 13237, 14335, 14570, 18910, 20069, 20398, 26474, 28670, 29140, 37820, 40138, 40796, 50995, 52948, 57340, 66185, 80276, 88877, 100345, 101990, 132370, 177754, 200690, 203980, 264740, 355508, 401380, 444385, 622139, 888770, 1244278, 1777540, 2488556, 3110695, 6221390, 12442780]

約数ペア:

[(1, 12442780), (2, 6221390), (4, 3110695), (5, 2488556), (7, 1777540), (10, 1244278), (14, 888770), (20, 622139), (28, 444385), (31, 401380), (35, 355508), (47, 264740), (61, 203980), (62, 200690), (70, 177754), (94, 132370), (122, 101990), (124, 100345), (140, 88877), (155, 80276), (188, 66185), (217, 57340), (235, 52948), (244, 50995), (305, 40796), (310, 40138), (329, 37820), (427, 29140), (434, 28670), (470, 26474), (610, 20398), (620, 20069), (658, 18910), (854, 14570), (868, 14335), (940, 13237), (1085, 11468), (1220, 10199), (1316, 9455), (1457, 8540), (1645, 7564), (1708, 7285), (1891, 6580), (2135, 5828), (2170, 5734), (2867, 4340), (2914, 4270), (3290, 3782)]