40742730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{21557}}^1$

素因数の和:21580

約数の個数: 64

約数和(自身を含む): 124174080

約数和(自身を除く): 83431350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 21557, 43114, 64671, 107785, 129342, 150899, 194013, 215570, 301798, 323355, 388026, 452697, 582039, 646710, 754495, 905394, 970065, 1164078, 1358091, 1508990, 1940130, 2263485, 2716182, 2910195, 4074273, 4526970, 5820390, 6790455, 8148546, 13580910, 20371365, 40742730]

約数ペア:

[(1, 40742730), (2, 20371365), (3, 13580910), (5, 8148546), (6, 6790455), (7, 5820390), (9, 4526970), (10, 4074273), (14, 2910195), (15, 2716182), (18, 2263485), (21, 1940130), (27, 1508990), (30, 1358091), (35, 1164078), (42, 970065), (45, 905394), (54, 754495), (63, 646710), (70, 582039), (90, 452697), (105, 388026), (126, 323355), (135, 301798), (189, 215570), (210, 194013), (270, 150899), (315, 129342), (378, 107785), (630, 64671), (945, 43114), (1890, 21557)]