64319960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{463}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 152340480

約数和(自身を除く): 88020520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 151, 184, 230, 302, 460, 463, 604, 755, 920, 926, 1208, 1510, 1852, 2315, 3020, 3473, 3704, 4630, 6040, 6946, 9260, 10649, 13892, 17365, 18520, 21298, 27784, 34730, 42596, 53245, 69460, 69913, 85192, 106490, 138920, 139826, 212980, 279652, 349565, 425960, 559304, 699130, 1398260, 1607999, 2796520, 3215998, 6431996, 8039995, 12863992, 16079990, 32159980, 64319960]

約数ペア:

[(1, 64319960), (2, 32159980), (4, 16079990), (5, 12863992), (8, 8039995), (10, 6431996), (20, 3215998), (23, 2796520), (40, 1607999), (46, 1398260), (92, 699130), (115, 559304), (151, 425960), (184, 349565), (230, 279652), (302, 212980), (460, 139826), (463, 138920), (604, 106490), (755, 85192), (920, 69913), (926, 69460), (1208, 53245), (1510, 42596), (1852, 34730), (2315, 27784), (3020, 21298), (3473, 18520), (3704, 17365), (4630, 13892), (6040, 10649), (6946, 9260)]