155283640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{823}}^1$

素因数の和:976

約数の個数: 64

約数和(自身を含む): 360417600

約数和(自身を除く): 205133960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 89, 106, 178, 212, 265, 356, 424, 445, 530, 712, 823, 890, 1060, 1646, 1780, 2120, 3292, 3560, 4115, 4717, 6584, 8230, 9434, 16460, 18868, 23585, 32920, 37736, 43619, 47170, 73247, 87238, 94340, 146494, 174476, 188680, 218095, 292988, 348952, 366235, 436190, 585976, 732470, 872380, 1464940, 1744760, 2929880, 3882091, 7764182, 15528364, 19410455, 31056728, 38820910, 77641820, 155283640]

約数ペア:

[(1, 155283640), (2, 77641820), (4, 38820910), (5, 31056728), (8, 19410455), (10, 15528364), (20, 7764182), (40, 3882091), (53, 2929880), (89, 1744760), (106, 1464940), (178, 872380), (212, 732470), (265, 585976), (356, 436190), (424, 366235), (445, 348952), (530, 292988), (712, 218095), (823, 188680), (890, 174476), (1060, 146494), (1646, 94340), (1780, 87238), (2120, 73247), (3292, 47170), (3560, 43619), (4115, 37736), (4717, 32920), (6584, 23585), (8230, 18868), (9434, 16460)]