171212280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3389}}^1$

素因数の和:3824

約数の個数: 64

約数和(自身を含む): 515008800

約数和(自身を除く): 343796520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 421, 842, 1263, 1684, 2105, 2526, 3368, 3389, 4210, 5052, 6315, 6778, 8420, 10104, 10167, 12630, 13556, 16840, 16945, 20334, 25260, 27112, 33890, 40668, 50520, 50835, 67780, 81336, 101670, 135560, 203340, 406680, 1426769, 2853538, 4280307, 5707076, 7133845, 8560614, 11414152, 14267690, 17121228, 21401535, 28535380, 34242456, 42803070, 57070760, 85606140, 171212280]

約数ペア:

[(1, 171212280), (2, 85606140), (3, 57070760), (4, 42803070), (5, 34242456), (6, 28535380), (8, 21401535), (10, 17121228), (12, 14267690), (15, 11414152), (20, 8560614), (24, 7133845), (30, 5707076), (40, 4280307), (60, 2853538), (120, 1426769), (421, 406680), (842, 203340), (1263, 135560), (1684, 101670), (2105, 81336), (2526, 67780), (3368, 50835), (3389, 50520), (4210, 40668), (5052, 33890), (6315, 27112), (6778, 25260), (8420, 20334), (10104, 16945), (10167, 16840), (12630, 13556)]