31069720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{293}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 76839840

約数和(自身を除く): 45770120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 241, 293, 440, 482, 586, 964, 1172, 1205, 1465, 1928, 2344, 2410, 2651, 2930, 3223, 4820, 5302, 5860, 6446, 9640, 10604, 11720, 12892, 13255, 16115, 21208, 25784, 26510, 32230, 53020, 64460, 70613, 106040, 128920, 141226, 282452, 353065, 564904, 706130, 776743, 1412260, 1553486, 2824520, 3106972, 3883715, 6213944, 7767430, 15534860, 31069720]

約数ペア:

[(1, 31069720), (2, 15534860), (4, 7767430), (5, 6213944), (8, 3883715), (10, 3106972), (11, 2824520), (20, 1553486), (22, 1412260), (40, 776743), (44, 706130), (55, 564904), (88, 353065), (110, 282452), (220, 141226), (241, 128920), (293, 106040), (440, 70613), (482, 64460), (586, 53020), (964, 32230), (1172, 26510), (1205, 25784), (1465, 21208), (1928, 16115), (2344, 13255), (2410, 12892), (2651, 11720), (2930, 10604), (3223, 9640), (4820, 6446), (5302, 5860)]