313892640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{217981}}^1$

素因数の和:218002

約数の個数: 72

約数和(自身を含む): 1071163548

約数和(自身を除く): 757270908

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, 217981, 435962, 653943, 871924, 1089905, 1307886, 1743848, 1961829, 2179810, 2615772, 3269715, 3487696, 3923658, 4359620, 5231544, 6539430, 6975392, 7847316, 8719240, 9809145, 10463088, 13078860, 15694632, 17438480, 19618290, 20926176, 26157720, 31389264, 34876960, 39236580, 52315440, 62778528, 78473160, 104630880, 156946320, 313892640]

約数ペア:

[(1, 313892640), (2, 156946320), (3, 104630880), (4, 78473160), (5, 62778528), (6, 52315440), (8, 39236580), (9, 34876960), (10, 31389264), (12, 26157720), (15, 20926176), (16, 19618290), (18, 17438480), (20, 15694632), (24, 13078860), (30, 10463088), (32, 9809145), (36, 8719240), (40, 7847316), (45, 6975392), (48, 6539430), (60, 5231544), (72, 4359620), (80, 3923658), (90, 3487696), (96, 3269715), (120, 2615772), (144, 2179810), (160, 1961829), (180, 1743848), (240, 1307886), (288, 1089905), (360, 871924), (480, 653943), (720, 435962), (1440, 217981)]