199865640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{128119}}^1$

素因数の和:128146

約数の個数: 64

約数和(自身を含む): 645724800

約数和(自身を除く): 445859160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 128119, 256238, 384357, 512476, 640595, 768714, 1024952, 1281190, 1537428, 1665547, 1921785, 2562380, 3074856, 3331094, 3843570, 4996641, 5124760, 6662188, 7687140, 8327735, 9993282, 13324376, 15374280, 16655470, 19986564, 24983205, 33310940, 39973128, 49966410, 66621880, 99932820, 199865640]

約数ペア:

[(1, 199865640), (2, 99932820), (3, 66621880), (4, 49966410), (5, 39973128), (6, 33310940), (8, 24983205), (10, 19986564), (12, 16655470), (13, 15374280), (15, 13324376), (20, 9993282), (24, 8327735), (26, 7687140), (30, 6662188), (39, 5124760), (40, 4996641), (52, 3843570), (60, 3331094), (65, 3074856), (78, 2562380), (104, 1921785), (120, 1665547), (130, 1537428), (156, 1281190), (195, 1024952), (260, 768714), (312, 640595), (390, 512476), (520, 384357), (780, 256238), (1560, 128119)]