81667890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{293}}^1$

素因数の和:488

約数の個数: 96

約数和(自身を含む): 225650880

約数和(自身を除く): 143982990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 163, 171, 190, 285, 293, 326, 342, 489, 570, 586, 815, 855, 879, 978, 1465, 1467, 1630, 1710, 1758, 2445, 2637, 2930, 2934, 3097, 4395, 4890, 5274, 5567, 6194, 7335, 8790, 9291, 11134, 13185, 14670, 15485, 16701, 18582, 26370, 27835, 27873, 30970, 33402, 46455, 47759, 50103, 55670, 55746, 83505, 92910, 95518, 100206, 139365, 143277, 167010, 238795, 250515, 278730, 286554, 429831, 477590, 501030, 716385, 859662, 907421, 1432770, 1814842, 2149155, 2722263, 4298310, 4537105, 5444526, 8166789, 9074210, 13611315, 16333578, 27222630, 40833945, 81667890]

約数ペア:

[(1, 81667890), (2, 40833945), (3, 27222630), (5, 16333578), (6, 13611315), (9, 9074210), (10, 8166789), (15, 5444526), (18, 4537105), (19, 4298310), (30, 2722263), (38, 2149155), (45, 1814842), (57, 1432770), (90, 907421), (95, 859662), (114, 716385), (163, 501030), (171, 477590), (190, 429831), (285, 286554), (293, 278730), (326, 250515), (342, 238795), (489, 167010), (570, 143277), (586, 139365), (815, 100206), (855, 95518), (879, 92910), (978, 83505), (1465, 55746), (1467, 55670), (1630, 50103), (1710, 47759), (1758, 46455), (2445, 33402), (2637, 30970), (2930, 27873), (2934, 27835), (3097, 26370), (4395, 18582), (4890, 16701), (5274, 15485), (5567, 14670), (6194, 13185), (7335, 11134), (8790, 9291)]