209262720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{108991}}^1$

素因数の和:109013

約数の個数: 64

約数和(自身を含む): 667031040

約数和(自身を除く): 457768320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 108991, 217982, 326973, 435964, 544955, 653946, 871928, 1089910, 1307892, 1634865, 1743856, 2179820, 2615784, 3269730, 3487712, 4359640, 5231568, 6539460, 6975424, 8719280, 10463136, 13078920, 13950848, 17438560, 20926272, 26157840, 34877120, 41852544, 52315680, 69754240, 104631360, 209262720]

約数ペア:

[(1, 209262720), (2, 104631360), (3, 69754240), (4, 52315680), (5, 41852544), (6, 34877120), (8, 26157840), (10, 20926272), (12, 17438560), (15, 13950848), (16, 13078920), (20, 10463136), (24, 8719280), (30, 6975424), (32, 6539460), (40, 5231568), (48, 4359640), (60, 3487712), (64, 3269730), (80, 2615784), (96, 2179820), (120, 1743856), (128, 1634865), (160, 1307892), (192, 1089910), (240, 871928), (320, 653946), (384, 544955), (480, 435964), (640, 326973), (960, 217982), (1920, 108991)]