321879456

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{997}}^1$

素因数の和:1091

約数の個数: 144

約数和(自身を含む): 980834400

約数和(自身を除く): 658954944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 59, 72, 76, 96, 114, 118, 144, 152, 171, 177, 228, 236, 288, 304, 342, 354, 456, 472, 531, 608, 684, 708, 912, 944, 997, 1062, 1121, 1368, 1416, 1824, 1888, 1994, 2124, 2242, 2736, 2832, 2991, 3363, 3988, 4248, 4484, 5472, 5664, 5982, 6726, 7976, 8496, 8968, 8973, 10089, 11964, 13452, 15952, 16992, 17936, 17946, 18943, 20178, 23928, 26904, 31904, 35872, 35892, 37886, 40356, 47856, 53808, 56829, 58823, 71784, 75772, 80712, 95712, 107616, 113658, 117646, 143568, 151544, 161424, 170487, 176469, 227316, 235292, 287136, 303088, 322848, 340974, 352938, 454632, 470584, 529407, 606176, 681948, 705876, 909264, 941168, 1058814, 1117637, 1363896, 1411752, 1818528, 1882336, 2117628, 2235274, 2727792, 2823504, 3352911, 4235256, 4470548, 5455584, 5647008, 6705822, 8470512, 8941096, 10058733, 13411644, 16941024, 17882192, 20117466, 26823288, 35764384, 40234932, 53646576, 80469864, 107293152, 160939728, 321879456]

約数ペア:

[(1, 321879456), (2, 160939728), (3, 107293152), (4, 80469864), (6, 53646576), (8, 40234932), (9, 35764384), (12, 26823288), (16, 20117466), (18, 17882192), (19, 16941024), (24, 13411644), (32, 10058733), (36, 8941096), (38, 8470512), (48, 6705822), (57, 5647008), (59, 5455584), (72, 4470548), (76, 4235256), (96, 3352911), (114, 2823504), (118, 2727792), (144, 2235274), (152, 2117628), (171, 1882336), (177, 1818528), (228, 1411752), (236, 1363896), (288, 1117637), (304, 1058814), (342, 941168), (354, 909264), (456, 705876), (472, 681948), (531, 606176), (608, 529407), (684, 470584), (708, 454632), (912, 352938), (944, 340974), (997, 322848), (1062, 303088), (1121, 287136), (1368, 235292), (1416, 227316), (1824, 176469), (1888, 170487), (1994, 161424), (2124, 151544), (2242, 143568), (2736, 117646), (2832, 113658), (2991, 107616), (3363, 95712), (3988, 80712), (4248, 75772), (4484, 71784), (5472, 58823), (5664, 56829), (5982, 53808), (6726, 47856), (7976, 40356), (8496, 37886), (8968, 35892), (8973, 35872), (10089, 31904), (11964, 26904), (13452, 23928), (15952, 20178), (16992, 18943), (17936, 17946)]