72871370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:551

約数の個数: 64

約数和(自身を含む): 155675520

約数和(自身を除く): 82804150

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 131, 143, 262, 286, 389, 655, 715, 778, 1310, 1430, 1441, 1703, 1945, 2882, 3406, 3890, 4279, 5057, 7205, 8515, 8558, 10114, 14410, 17030, 18733, 21395, 25285, 37466, 42790, 50570, 50959, 55627, 93665, 101918, 111254, 187330, 254795, 278135, 509590, 556270, 560549, 662467, 1121098, 1324934, 2802745, 3312335, 5605490, 6624670, 7287137, 14574274, 36435685, 72871370]

約数ペア:

[(1, 72871370), (2, 36435685), (5, 14574274), (10, 7287137), (11, 6624670), (13, 5605490), (22, 3312335), (26, 2802745), (55, 1324934), (65, 1121098), (110, 662467), (130, 560549), (131, 556270), (143, 509590), (262, 278135), (286, 254795), (389, 187330), (655, 111254), (715, 101918), (778, 93665), (1310, 55627), (1430, 50959), (1441, 50570), (1703, 42790), (1945, 37466), (2882, 25285), (3406, 21395), (3890, 18733), (4279, 17030), (5057, 14410), (7205, 10114), (8515, 8558)]