491315040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{341191}}^1$

素因数の和:341212

約数の個数: 72

約数和(自身を含む): 1676617488

約数和(自身を除く): 1185302448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 341191, 682382, 1023573, 1364764, 1705955, 2047146, 2729528, 3070719, 3411910, 4094292, 5117865, 5459056, 6141438, 6823820, 8188584, 10235730, 10918112, 12282876, 13647640, 15353595, 16377168, 20471460, 24565752, 27295280, 30707190, 32754336, 40942920, 49131504, 54590560, 61414380, 81885840, 98263008, 122828760, 163771680, 245657520, 491315040]

約数ペア:

[(1, 491315040), (2, 245657520), (3, 163771680), (4, 122828760), (5, 98263008), (6, 81885840), (8, 61414380), (9, 54590560), (10, 49131504), (12, 40942920), (15, 32754336), (16, 30707190), (18, 27295280), (20, 24565752), (24, 20471460), (30, 16377168), (32, 15353595), (36, 13647640), (40, 12282876), (45, 10918112), (48, 10235730), (60, 8188584), (72, 6823820), (80, 6141438), (90, 5459056), (96, 5117865), (120, 4094292), (144, 3411910), (160, 3070719), (180, 2729528), (240, 2047146), (288, 1705955), (360, 1364764), (480, 1023573), (720, 682382), (1440, 341191)]