159979600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:485

約数の個数: 120

約数和(自身を含む): 424562112

約数和(自身を除く): 264582512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 103, 110, 176, 200, 206, 220, 275, 353, 400, 412, 440, 515, 550, 706, 824, 880, 1030, 1100, 1133, 1412, 1648, 1765, 2060, 2200, 2266, 2575, 2824, 3530, 3883, 4120, 4400, 4532, 5150, 5648, 5665, 7060, 7766, 8240, 8825, 9064, 10300, 11330, 14120, 15532, 17650, 18128, 19415, 20600, 22660, 28240, 28325, 31064, 35300, 36359, 38830, 41200, 45320, 56650, 62128, 70600, 72718, 77660, 90640, 97075, 113300, 141200, 145436, 155320, 181795, 194150, 226600, 290872, 310640, 363590, 388300, 399949, 453200, 581744, 727180, 776600, 799898, 908975, 1454360, 1553200, 1599796, 1817950, 1999745, 2908720, 3199592, 3635900, 3999490, 6399184, 7271800, 7998980, 9998725, 14543600, 15997960, 19997450, 31995920, 39994900, 79989800, 159979600]

約数ペア:

[(1, 159979600), (2, 79989800), (4, 39994900), (5, 31995920), (8, 19997450), (10, 15997960), (11, 14543600), (16, 9998725), (20, 7998980), (22, 7271800), (25, 6399184), (40, 3999490), (44, 3635900), (50, 3199592), (55, 2908720), (80, 1999745), (88, 1817950), (100, 1599796), (103, 1553200), (110, 1454360), (176, 908975), (200, 799898), (206, 776600), (220, 727180), (275, 581744), (353, 453200), (400, 399949), (412, 388300), (440, 363590), (515, 310640), (550, 290872), (706, 226600), (824, 194150), (880, 181795), (1030, 155320), (1100, 145436), (1133, 141200), (1412, 113300), (1648, 97075), (1765, 90640), (2060, 77660), (2200, 72718), (2266, 70600), (2575, 62128), (2824, 56650), (3530, 45320), (3883, 41200), (4120, 38830), (4400, 36359), (4532, 35300), (5150, 31064), (5648, 28325), (5665, 28240), (7060, 22660), (7766, 20600), (8240, 19415), (8825, 18128), (9064, 17650), (10300, 15532), (11330, 14120)]