1255888620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{142391}}^1$

素因数の和:142420

約数の個数: 108

約数和(自身を含む): 4431523824

約数和(自身を除く): 3175635204

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 142391, 284782, 427173, 569564, 711955, 854346, 996737, 1281519, 1423910, 1708692, 1993474, 2135865, 2563038, 2847820, 2990211, 3986948, 4271730, 4983685, 5126076, 5980422, 6407595, 6977159, 8543460, 8970633, 9967370, 11960844, 12815190, 13954318, 14951055, 17941266, 19934740, 20931477, 25630380, 27908636, 29902110, 34885795, 35882532, 41862954, 44853165, 59804220, 62794431, 69771590, 83725908, 89706330, 104657385, 125588862, 139543180, 179412660, 209314770, 251177724, 313972155, 418629540, 627944310, 1255888620]

約数ペア:

[(1, 1255888620), (2, 627944310), (3, 418629540), (4, 313972155), (5, 251177724), (6, 209314770), (7, 179412660), (9, 139543180), (10, 125588862), (12, 104657385), (14, 89706330), (15, 83725908), (18, 69771590), (20, 62794431), (21, 59804220), (28, 44853165), (30, 41862954), (35, 35882532), (36, 34885795), (42, 29902110), (45, 27908636), (49, 25630380), (60, 20931477), (63, 19934740), (70, 17941266), (84, 14951055), (90, 13954318), (98, 12815190), (105, 11960844), (126, 9967370), (140, 8970633), (147, 8543460), (180, 6977159), (196, 6407595), (210, 5980422), (245, 5126076), (252, 4983685), (294, 4271730), (315, 3986948), (420, 2990211), (441, 2847820), (490, 2563038), (588, 2135865), (630, 1993474), (735, 1708692), (882, 1423910), (980, 1281519), (1260, 996737), (1470, 854346), (1764, 711955), (2205, 569564), (2940, 427173), (4410, 284782), (8820, 142391)]