120708920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{827}}^1$

素因数の和:968

約数の個数: 64

約数和(自身を含む): 281685600

約数和(自身を除く): 160976680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 89, 164, 178, 205, 328, 356, 410, 445, 712, 820, 827, 890, 1640, 1654, 1780, 3308, 3560, 3649, 4135, 6616, 7298, 8270, 14596, 16540, 18245, 29192, 33080, 33907, 36490, 67814, 72980, 73603, 135628, 145960, 147206, 169535, 271256, 294412, 339070, 368015, 588824, 678140, 736030, 1356280, 1472060, 2944120, 3017723, 6035446, 12070892, 15088615, 24141784, 30177230, 60354460, 120708920]

約数ペア:

[(1, 120708920), (2, 60354460), (4, 30177230), (5, 24141784), (8, 15088615), (10, 12070892), (20, 6035446), (40, 3017723), (41, 2944120), (82, 1472060), (89, 1356280), (164, 736030), (178, 678140), (205, 588824), (328, 368015), (356, 339070), (410, 294412), (445, 271256), (712, 169535), (820, 147206), (827, 145960), (890, 135628), (1640, 73603), (1654, 72980), (1780, 67814), (3308, 36490), (3560, 33907), (3649, 33080), (4135, 29192), (6616, 18245), (7298, 16540), (8270, 14596)]