78896100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{409}}^1\times {\mathrm{643}}^1$

素因数の和:1069

約数の個数: 72

約数和(自身を含む): 229186720

約数和(自身を除く): 150290620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 409, 643, 818, 1227, 1286, 1636, 1929, 2045, 2454, 2572, 3215, 3858, 4090, 4908, 6135, 6430, 7716, 8180, 9645, 10225, 12270, 12860, 16075, 19290, 20450, 24540, 30675, 32150, 38580, 40900, 48225, 61350, 64300, 96450, 122700, 192900, 262987, 525974, 788961, 1051948, 1314935, 1577922, 2629870, 3155844, 3944805, 5259740, 6574675, 7889610, 13149350, 15779220, 19724025, 26298700, 39448050, 78896100]

約数ペア:

[(1, 78896100), (2, 39448050), (3, 26298700), (4, 19724025), (5, 15779220), (6, 13149350), (10, 7889610), (12, 6574675), (15, 5259740), (20, 3944805), (25, 3155844), (30, 2629870), (50, 1577922), (60, 1314935), (75, 1051948), (100, 788961), (150, 525974), (300, 262987), (409, 192900), (643, 122700), (818, 96450), (1227, 64300), (1286, 61350), (1636, 48225), (1929, 40900), (2045, 38580), (2454, 32150), (2572, 30675), (3215, 24540), (3858, 20450), (4090, 19290), (4908, 16075), (6135, 12860), (6430, 12270), (7716, 10225), (8180, 9645)]