68209720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 161533440

約数和(自身を除く): 93323720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 151, 184, 230, 302, 460, 491, 604, 755, 920, 982, 1208, 1510, 1964, 2455, 3020, 3473, 3928, 4910, 6040, 6946, 9820, 11293, 13892, 17365, 19640, 22586, 27784, 34730, 45172, 56465, 69460, 74141, 90344, 112930, 138920, 148282, 225860, 296564, 370705, 451720, 593128, 741410, 1482820, 1705243, 2965640, 3410486, 6820972, 8526215, 13641944, 17052430, 34104860, 68209720]

約数ペア:

[(1, 68209720), (2, 34104860), (4, 17052430), (5, 13641944), (8, 8526215), (10, 6820972), (20, 3410486), (23, 2965640), (40, 1705243), (46, 1482820), (92, 741410), (115, 593128), (151, 451720), (184, 370705), (230, 296564), (302, 225860), (460, 148282), (491, 138920), (604, 112930), (755, 90344), (920, 74141), (982, 69460), (1208, 56465), (1510, 45172), (1964, 34730), (2455, 27784), (3020, 22586), (3473, 19640), (3928, 17365), (4910, 13892), (6040, 11293), (6946, 9820)]