1320760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 3499200

約数和(自身を除く): 2178440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 89, 106, 140, 178, 212, 265, 280, 356, 371, 424, 445, 530, 623, 712, 742, 890, 1060, 1246, 1484, 1780, 1855, 2120, 2492, 2968, 3115, 3560, 3710, 4717, 4984, 6230, 7420, 9434, 12460, 14840, 18868, 23585, 24920, 33019, 37736, 47170, 66038, 94340, 132076, 165095, 188680, 264152, 330190, 660380, 1320760]

約数ペア:

[(1, 1320760), (2, 660380), (4, 330190), (5, 264152), (7, 188680), (8, 165095), (10, 132076), (14, 94340), (20, 66038), (28, 47170), (35, 37736), (40, 33019), (53, 24920), (56, 23585), (70, 18868), (89, 14840), (106, 12460), (140, 9434), (178, 7420), (212, 6230), (265, 4984), (280, 4717), (356, 3710), (371, 3560), (424, 3115), (445, 2968), (530, 2492), (623, 2120), (712, 1855), (742, 1780), (890, 1484), (1060, 1246)]