78257880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{72461}}^1$

素因数の和:72481

約数の個数: 64

約数和(自身を含む): 260863200

約数和(自身を除く): 182605320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 72461, 144922, 217383, 289844, 362305, 434766, 579688, 652149, 724610, 869532, 1086915, 1304298, 1449220, 1739064, 1956447, 2173830, 2608596, 2898440, 3260745, 3912894, 4347660, 5217192, 6521490, 7825788, 8695320, 9782235, 13042980, 15651576, 19564470, 26085960, 39128940, 78257880]

約数ペア:

[(1, 78257880), (2, 39128940), (3, 26085960), (4, 19564470), (5, 15651576), (6, 13042980), (8, 9782235), (9, 8695320), (10, 7825788), (12, 6521490), (15, 5217192), (18, 4347660), (20, 3912894), (24, 3260745), (27, 2898440), (30, 2608596), (36, 2173830), (40, 1956447), (45, 1739064), (54, 1449220), (60, 1304298), (72, 1086915), (90, 869532), (108, 724610), (120, 652149), (135, 579688), (180, 434766), (216, 362305), (270, 289844), (360, 217383), (540, 144922), (1080, 72461)]