428132040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{509681}}^1$

素因数の和:509702

約数の個数: 64

約数和(自身を含む): 1467884160

約数和(自身を除く): 1039752120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 509681, 1019362, 1529043, 2038724, 2548405, 3058086, 3567767, 4077448, 5096810, 6116172, 7135534, 7645215, 10193620, 10703301, 12232344, 14271068, 15290430, 17838835, 20387240, 21406602, 28542136, 30580860, 35677670, 42813204, 53516505, 61161720, 71355340, 85626408, 107033010, 142710680, 214066020, 428132040]

約数ペア:

[(1, 428132040), (2, 214066020), (3, 142710680), (4, 107033010), (5, 85626408), (6, 71355340), (7, 61161720), (8, 53516505), (10, 42813204), (12, 35677670), (14, 30580860), (15, 28542136), (20, 21406602), (21, 20387240), (24, 17838835), (28, 15290430), (30, 14271068), (35, 12232344), (40, 10703301), (42, 10193620), (56, 7645215), (60, 7135534), (70, 6116172), (84, 5096810), (105, 4077448), (120, 3567767), (140, 3058086), (168, 2548405), (210, 2038724), (280, 1529043), (420, 1019362), (840, 509681)]