27738760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{631}}^1$

素因数の和:806

約数の個数: 64

約数和(自身を含む): 71896320

約数和(自身を除く): 44157560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 631, 785, 1099, 1256, 1262, 1570, 2198, 2524, 3140, 3155, 4396, 4417, 5048, 5495, 6280, 6310, 8792, 8834, 10990, 12620, 17668, 21980, 22085, 25240, 35336, 43960, 44170, 88340, 99067, 176680, 198134, 396268, 495335, 693469, 792536, 990670, 1386938, 1981340, 2773876, 3467345, 3962680, 5547752, 6934690, 13869380, 27738760]

約数ペア:

[(1, 27738760), (2, 13869380), (4, 6934690), (5, 5547752), (7, 3962680), (8, 3467345), (10, 2773876), (14, 1981340), (20, 1386938), (28, 990670), (35, 792536), (40, 693469), (56, 495335), (70, 396268), (140, 198134), (157, 176680), (280, 99067), (314, 88340), (628, 44170), (631, 43960), (785, 35336), (1099, 25240), (1256, 22085), (1262, 21980), (1570, 17668), (2198, 12620), (2524, 10990), (3140, 8834), (3155, 8792), (4396, 6310), (4417, 6280), (5048, 5495)]