680576280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{26879}}^1$

素因数の和:27104

約数の個数: 64

約数和(自身を含む): 2051481600

約数和(自身を除く): 1370905320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 4220, 5064, 6330, 8440, 12660, 25320, 26879, 53758, 80637, 107516, 134395, 161274, 215032, 268790, 322548, 403185, 537580, 645096, 806370, 1075160, 1612740, 3225480, 5671469, 11342938, 17014407, 22685876, 28357345, 34028814, 45371752, 56714690, 68057628, 85072035, 113429380, 136115256, 170144070, 226858760, 340288140, 680576280]

約数ペア:

[(1, 680576280), (2, 340288140), (3, 226858760), (4, 170144070), (5, 136115256), (6, 113429380), (8, 85072035), (10, 68057628), (12, 56714690), (15, 45371752), (20, 34028814), (24, 28357345), (30, 22685876), (40, 17014407), (60, 11342938), (120, 5671469), (211, 3225480), (422, 1612740), (633, 1075160), (844, 806370), (1055, 645096), (1266, 537580), (1688, 403185), (2110, 322548), (2532, 268790), (3165, 215032), (4220, 161274), (5064, 134395), (6330, 107516), (8440, 80637), (12660, 53758), (25320, 26879)]