2641520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 80

約数和(自身を含む): 7231680

約数和(自身を除く): 4590160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 89, 106, 112, 140, 178, 212, 265, 280, 356, 371, 424, 445, 530, 560, 623, 712, 742, 848, 890, 1060, 1246, 1424, 1484, 1780, 1855, 2120, 2492, 2968, 3115, 3560, 3710, 4240, 4717, 4984, 5936, 6230, 7120, 7420, 9434, 9968, 12460, 14840, 18868, 23585, 24920, 29680, 33019, 37736, 47170, 49840, 66038, 75472, 94340, 132076, 165095, 188680, 264152, 330190, 377360, 528304, 660380, 1320760, 2641520]

約数ペア:

[(1, 2641520), (2, 1320760), (4, 660380), (5, 528304), (7, 377360), (8, 330190), (10, 264152), (14, 188680), (16, 165095), (20, 132076), (28, 94340), (35, 75472), (40, 66038), (53, 49840), (56, 47170), (70, 37736), (80, 33019), (89, 29680), (106, 24920), (112, 23585), (140, 18868), (178, 14840), (212, 12460), (265, 9968), (280, 9434), (356, 7420), (371, 7120), (424, 6230), (445, 5936), (530, 4984), (560, 4717), (623, 4240), (712, 3710), (742, 3560), (848, 3115), (890, 2968), (1060, 2492), (1246, 2120), (1424, 1855), (1484, 1780)]