129313640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 298967760

約数和(自身を除く): 169654120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 181, 212, 265, 337, 362, 424, 530, 674, 724, 905, 1060, 1348, 1448, 1685, 1810, 2120, 2696, 3370, 3620, 6740, 7240, 9593, 13480, 17861, 19186, 35722, 38372, 47965, 60997, 71444, 76744, 89305, 95930, 121994, 142888, 178610, 191860, 243988, 304985, 357220, 383720, 487976, 609970, 714440, 1219940, 2439880, 3232841, 6465682, 12931364, 16164205, 25862728, 32328410, 64656820, 129313640]

約数ペア:

[(1, 129313640), (2, 64656820), (4, 32328410), (5, 25862728), (8, 16164205), (10, 12931364), (20, 6465682), (40, 3232841), (53, 2439880), (106, 1219940), (181, 714440), (212, 609970), (265, 487976), (337, 383720), (362, 357220), (424, 304985), (530, 243988), (674, 191860), (724, 178610), (905, 142888), (1060, 121994), (1348, 95930), (1448, 89305), (1685, 76744), (1810, 71444), (2120, 60997), (2696, 47965), (3370, 38372), (3620, 35722), (6740, 19186), (7240, 17861), (9593, 13480)]