71766040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1061}}^1$

素因数の和:1180

約数の個数: 64

約数和(自身を含む): 172044000

約数和(自身を除く): 100277960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 380, 445, 712, 760, 890, 1061, 1691, 1780, 2122, 3382, 3560, 4244, 5305, 6764, 8455, 8488, 10610, 13528, 16910, 20159, 21220, 33820, 40318, 42440, 67640, 80636, 94429, 100795, 161272, 188858, 201590, 377716, 403180, 472145, 755432, 806360, 944290, 1794151, 1888580, 3588302, 3777160, 7176604, 8970755, 14353208, 17941510, 35883020, 71766040]

約数ペア:

[(1, 71766040), (2, 35883020), (4, 17941510), (5, 14353208), (8, 8970755), (10, 7176604), (19, 3777160), (20, 3588302), (38, 1888580), (40, 1794151), (76, 944290), (89, 806360), (95, 755432), (152, 472145), (178, 403180), (190, 377716), (356, 201590), (380, 188858), (445, 161272), (712, 100795), (760, 94429), (890, 80636), (1061, 67640), (1691, 42440), (1780, 40318), (2122, 33820), (3382, 21220), (3560, 20159), (4244, 16910), (5305, 13528), (6764, 10610), (8455, 8488)]