80277890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{761}}^1$

素因数の和:923

約数の個数: 64

約数和(自身を含む): 181709568

約数和(自身を除く): 101431678

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 137, 154, 274, 385, 685, 761, 770, 959, 1370, 1507, 1522, 1918, 3014, 3805, 4795, 5327, 7535, 7610, 8371, 9590, 10549, 10654, 15070, 16742, 21098, 26635, 41855, 52745, 53270, 58597, 83710, 104257, 105490, 117194, 208514, 292985, 521285, 585970, 729799, 1042570, 1146827, 1459598, 2293654, 3648995, 5734135, 7297990, 8027789, 11468270, 16055578, 40138945, 80277890]

約数ペア:

[(1, 80277890), (2, 40138945), (5, 16055578), (7, 11468270), (10, 8027789), (11, 7297990), (14, 5734135), (22, 3648995), (35, 2293654), (55, 1459598), (70, 1146827), (77, 1042570), (110, 729799), (137, 585970), (154, 521285), (274, 292985), (385, 208514), (685, 117194), (761, 105490), (770, 104257), (959, 83710), (1370, 58597), (1507, 53270), (1522, 52745), (1918, 41855), (3014, 26635), (3805, 21098), (4795, 16742), (5327, 15070), (7535, 10654), (7610, 10549), (8371, 9590)]