155115440680

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1933}}^1\times {\mathrm{22541}}^1$

素因数の和:24574

約数の個数: 64

約数和(自身を含む): 353129446800

約数和(自身を除く): 198014006120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 1933, 3560, 3866, 7732, 9665, 15464, 19330, 22541, 38660, 45082, 77320, 90164, 112705, 172037, 180328, 225410, 344074, 450820, 688148, 860185, 901640, 1376296, 1720370, 2006149, 3440740, 4012298, 6881480, 8024596, 10030745, 16049192, 20061490, 40122980, 43571753, 80245960, 87143506, 174287012, 217858765, 348574024, 435717530, 871435060, 1742870120, 3877886017, 7755772034, 15511544068, 19389430085, 31023088136, 38778860170, 77557720340, 155115440680]

約数ペア:

[(1, 155115440680), (2, 77557720340), (4, 38778860170), (5, 31023088136), (8, 19389430085), (10, 15511544068), (20, 7755772034), (40, 3877886017), (89, 1742870120), (178, 871435060), (356, 435717530), (445, 348574024), (712, 217858765), (890, 174287012), (1780, 87143506), (1933, 80245960), (3560, 43571753), (3866, 40122980), (7732, 20061490), (9665, 16049192), (15464, 10030745), (19330, 8024596), (22541, 6881480), (38660, 4012298), (45082, 3440740), (77320, 2006149), (90164, 1720370), (112705, 1376296), (172037, 901640), (180328, 860185), (225410, 688148), (344074, 450820)]