78156900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{9649}}^1$

素因数の和:9675

約数の個数: 90

約数和(自身を含む): 253380050

約数和(自身を除く): 175223150

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 9649, 19298, 28947, 38596, 48245, 57894, 86841, 96490, 115788, 144735, 173682, 192980, 241225, 260523, 289470, 347364, 434205, 482450, 521046, 578940, 723675, 781569, 868410, 964900, 1042092, 1302615, 1447350, 1563138, 1736820, 2171025, 2605230, 2894700, 3126276, 3907845, 4342050, 5210460, 6513075, 7815690, 8684100, 13026150, 15631380, 19539225, 26052300, 39078450, 78156900]

約数ペア:

[(1, 78156900), (2, 39078450), (3, 26052300), (4, 19539225), (5, 15631380), (6, 13026150), (9, 8684100), (10, 7815690), (12, 6513075), (15, 5210460), (18, 4342050), (20, 3907845), (25, 3126276), (27, 2894700), (30, 2605230), (36, 2171025), (45, 1736820), (50, 1563138), (54, 1447350), (60, 1302615), (75, 1042092), (81, 964900), (90, 868410), (100, 781569), (108, 723675), (135, 578940), (150, 521046), (162, 482450), (180, 434205), (225, 347364), (270, 289470), (300, 260523), (324, 241225), (405, 192980), (450, 173682), (540, 144735), (675, 115788), (810, 96490), (900, 86841), (1350, 57894), (1620, 48245), (2025, 38596), (2700, 28947), (4050, 19298), (8100, 9649)]