321106370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 702535680

約数和(自身を除く): 381429310

約数列:

[1, 2, 5, 10, 13, 17, 26, 31, 34, 43, 62, 65, 85, 86, 109, 130, 155, 170, 215, 218, 221, 310, 403, 430, 442, 527, 545, 559, 731, 806, 1054, 1090, 1105, 1118, 1333, 1417, 1462, 1853, 2015, 2210, 2635, 2666, 2795, 2834, 3379, 3655, 3706, 4030, 4687, 5270, 5590, 6665, 6758, 6851, 7085, 7310, 9265, 9374, 9503, 13330, 13702, 14170, 16895, 17329, 18530, 19006, 22661, 23435, 24089, 33790, 34255, 34658, 43927, 45322, 46870, 47515, 48178, 57443, 60931, 68510, 79679, 86645, 87854, 95030, 113305, 114886, 120445, 121862, 145297, 159358, 173290, 219635, 226610, 240890, 287215, 290594, 294593, 304655, 398395, 439270, 574430, 589186, 609310, 726485, 746759, 796790, 1035827, 1452970, 1472965, 1493518, 1888861, 2071654, 2470049, 2945930, 3733795, 3777722, 4940098, 5179135, 7467590, 9444305, 10358270, 12350245, 18888610, 24700490, 32110637, 64221274, 160553185, 321106370]

約数ペア:

[(1, 321106370), (2, 160553185), (5, 64221274), (10, 32110637), (13, 24700490), (17, 18888610), (26, 12350245), (31, 10358270), (34, 9444305), (43, 7467590), (62, 5179135), (65, 4940098), (85, 3777722), (86, 3733795), (109, 2945930), (130, 2470049), (155, 2071654), (170, 1888861), (215, 1493518), (218, 1472965), (221, 1452970), (310, 1035827), (403, 796790), (430, 746759), (442, 726485), (527, 609310), (545, 589186), (559, 574430), (731, 439270), (806, 398395), (1054, 304655), (1090, 294593), (1105, 290594), (1118, 287215), (1333, 240890), (1417, 226610), (1462, 219635), (1853, 173290), (2015, 159358), (2210, 145297), (2635, 121862), (2666, 120445), (2795, 114886), (2834, 113305), (3379, 95030), (3655, 87854), (3706, 86645), (4030, 79679), (4687, 68510), (5270, 60931), (5590, 57443), (6665, 48178), (6758, 47515), (6851, 46870), (7085, 45322), (7310, 43927), (9265, 34658), (9374, 34255), (9503, 33790), (13330, 24089), (13702, 23435), (14170, 22661), (16895, 19006), (17329, 18530)]