66697760

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2999}}^1$

素因数の和:3153

約数の個数: 48

約数和(自身を含む): 158760000

約数和(自身を除く): 92062240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 2999, 4448, 5560, 5998, 11120, 11996, 14995, 22240, 23992, 29990, 47984, 59980, 95968, 119960, 239920, 416861, 479840, 833722, 1667444, 2084305, 3334888, 4168610, 6669776, 8337220, 13339552, 16674440, 33348880, 66697760]

約数ペア:

[(1, 66697760), (2, 33348880), (4, 16674440), (5, 13339552), (8, 8337220), (10, 6669776), (16, 4168610), (20, 3334888), (32, 2084305), (40, 1667444), (80, 833722), (139, 479840), (160, 416861), (278, 239920), (556, 119960), (695, 95968), (1112, 59980), (1390, 47984), (2224, 29990), (2780, 23992), (2999, 22240), (4448, 14995), (5560, 11996), (5998, 11120)]