320807136

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15121}}^1$

素因数の和:15164

約数の個数: 96

約数和(自身を含む): 960307488

約数和(自身を除く): 639500352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 68, 78, 96, 102, 104, 136, 156, 204, 208, 221, 272, 312, 408, 416, 442, 544, 624, 663, 816, 884, 1248, 1326, 1632, 1768, 2652, 3536, 5304, 7072, 10608, 15121, 21216, 30242, 45363, 60484, 90726, 120968, 181452, 196573, 241936, 257057, 362904, 393146, 483872, 514114, 589719, 725808, 771171, 786292, 1028228, 1179438, 1451616, 1542342, 1572584, 2056456, 2358876, 3084684, 3145168, 3341741, 4112912, 4717752, 6169368, 6290336, 6683482, 8225824, 9435504, 10025223, 12338736, 13366964, 18871008, 20050446, 24677472, 26733928, 40100892, 53467856, 80201784, 106935712, 160403568, 320807136]

約数ペア:

[(1, 320807136), (2, 160403568), (3, 106935712), (4, 80201784), (6, 53467856), (8, 40100892), (12, 26733928), (13, 24677472), (16, 20050446), (17, 18871008), (24, 13366964), (26, 12338736), (32, 10025223), (34, 9435504), (39, 8225824), (48, 6683482), (51, 6290336), (52, 6169368), (68, 4717752), (78, 4112912), (96, 3341741), (102, 3145168), (104, 3084684), (136, 2358876), (156, 2056456), (204, 1572584), (208, 1542342), (221, 1451616), (272, 1179438), (312, 1028228), (408, 786292), (416, 771171), (442, 725808), (544, 589719), (624, 514114), (663, 483872), (816, 393146), (884, 362904), (1248, 257057), (1326, 241936), (1632, 196573), (1768, 181452), (2652, 120968), (3536, 90726), (5304, 60484), (7072, 45363), (10608, 30242), (15121, 21216)]