156490760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2459}}^1$

素因数の和:2550

約数の個数: 64

約数和(自身を含む): 370180800

約数和(自身を除く): 213690040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 1480, 1591, 1720, 2459, 3182, 4918, 6364, 7955, 9836, 12295, 12728, 15910, 19672, 24590, 31820, 49180, 63640, 90983, 98360, 105737, 181966, 211474, 363932, 422948, 454915, 528685, 727864, 845896, 909830, 1057370, 1819660, 2114740, 3639320, 3912269, 4229480, 7824538, 15649076, 19561345, 31298152, 39122690, 78245380, 156490760]

約数ペア:

[(1, 156490760), (2, 78245380), (4, 39122690), (5, 31298152), (8, 19561345), (10, 15649076), (20, 7824538), (37, 4229480), (40, 3912269), (43, 3639320), (74, 2114740), (86, 1819660), (148, 1057370), (172, 909830), (185, 845896), (215, 727864), (296, 528685), (344, 454915), (370, 422948), (430, 363932), (740, 211474), (860, 181966), (1480, 105737), (1591, 98360), (1720, 90983), (2459, 63640), (3182, 49180), (4918, 31820), (6364, 24590), (7955, 19672), (9836, 15910), (12295, 12728)]