30630040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{787}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 79430400

約数和(自身を除く): 48800360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 787, 973, 1112, 1390, 1574, 1946, 2780, 3148, 3892, 3935, 4865, 5509, 5560, 6296, 7784, 7870, 9730, 11018, 15740, 19460, 22036, 27545, 31480, 38920, 44072, 55090, 109393, 110180, 218786, 220360, 437572, 546965, 765751, 875144, 1093930, 1531502, 2187860, 3063004, 3828755, 4375720, 6126008, 7657510, 15315020, 30630040]

約数ペア:

[(1, 30630040), (2, 15315020), (4, 7657510), (5, 6126008), (7, 4375720), (8, 3828755), (10, 3063004), (14, 2187860), (20, 1531502), (28, 1093930), (35, 875144), (40, 765751), (56, 546965), (70, 437572), (139, 220360), (140, 218786), (278, 110180), (280, 109393), (556, 55090), (695, 44072), (787, 38920), (973, 31480), (1112, 27545), (1390, 22036), (1574, 19460), (1946, 15740), (2780, 11018), (3148, 9730), (3892, 7870), (3935, 7784), (4865, 6296), (5509, 5560)]