80205930

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{42437}}^1$

素因数の和:42460

約数の個数: 64

約数和(自身を含む): 244442880

約数和(自身を除く): 164236950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 42437, 84874, 127311, 212185, 254622, 297059, 381933, 424370, 594118, 636555, 763866, 891177, 1145799, 1273110, 1485295, 1782354, 1909665, 2291598, 2673531, 2970590, 3819330, 4455885, 5347062, 5728995, 8020593, 8911770, 11457990, 13367655, 16041186, 26735310, 40102965, 80205930]

約数ペア:

[(1, 80205930), (2, 40102965), (3, 26735310), (5, 16041186), (6, 13367655), (7, 11457990), (9, 8911770), (10, 8020593), (14, 5728995), (15, 5347062), (18, 4455885), (21, 3819330), (27, 2970590), (30, 2673531), (35, 2291598), (42, 1909665), (45, 1782354), (54, 1485295), (63, 1273110), (70, 1145799), (90, 891177), (105, 763866), (126, 636555), (135, 594118), (189, 424370), (210, 381933), (270, 297059), (315, 254622), (378, 212185), (630, 127311), (945, 84874), (1890, 42437)]