315195520

素因数分解:

$2^7\times 5^1\times {\mathrm{587}}^1\times {\mathrm{839}}^1$

素因数の和:1445

約数の個数: 64

約数和(自身を含む): 755697600

約数和(自身を除く): 440502080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 587, 640, 839, 1174, 1678, 2348, 2935, 3356, 4195, 4696, 5870, 6712, 8390, 9392, 11740, 13424, 16780, 18784, 23480, 26848, 33560, 37568, 46960, 53696, 67120, 75136, 93920, 107392, 134240, 187840, 268480, 375680, 492493, 536960, 984986, 1969972, 2462465, 3939944, 4924930, 7879888, 9849860, 15759776, 19699720, 31519552, 39399440, 63039104, 78798880, 157597760, 315195520]

約数ペア:

[(1, 315195520), (2, 157597760), (4, 78798880), (5, 63039104), (8, 39399440), (10, 31519552), (16, 19699720), (20, 15759776), (32, 9849860), (40, 7879888), (64, 4924930), (80, 3939944), (128, 2462465), (160, 1969972), (320, 984986), (587, 536960), (640, 492493), (839, 375680), (1174, 268480), (1678, 187840), (2348, 134240), (2935, 107392), (3356, 93920), (4195, 75136), (4696, 67120), (5870, 53696), (6712, 46960), (8390, 37568), (9392, 33560), (11740, 26848), (13424, 23480), (16780, 18784)]