12820470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 33675264

約数和(自身を除く): 20854794

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 71, 78, 130, 142, 195, 213, 355, 390, 426, 463, 710, 923, 926, 1065, 1389, 1846, 2130, 2315, 2769, 2778, 4615, 4630, 5538, 6019, 6945, 9230, 12038, 13845, 13890, 18057, 27690, 30095, 32873, 36114, 60190, 65746, 90285, 98619, 164365, 180570, 197238, 328730, 427349, 493095, 854698, 986190, 1282047, 2136745, 2564094, 4273490, 6410235, 12820470]

約数ペア:

[(1, 12820470), (2, 6410235), (3, 4273490), (5, 2564094), (6, 2136745), (10, 1282047), (13, 986190), (15, 854698), (26, 493095), (30, 427349), (39, 328730), (65, 197238), (71, 180570), (78, 164365), (130, 98619), (142, 90285), (195, 65746), (213, 60190), (355, 36114), (390, 32873), (426, 30095), (463, 27690), (710, 18057), (923, 13890), (926, 13845), (1065, 12038), (1389, 9230), (1846, 6945), (2130, 6019), (2315, 5538), (2769, 4630), (2778, 4615)]