120121956

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 312117624

約数和(自身を除く): 191995668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 157, 159, 212, 314, 318, 401, 471, 477, 628, 636, 802, 942, 954, 1203, 1413, 1604, 1884, 1908, 2406, 2826, 3609, 4812, 5652, 7218, 8321, 14436, 16642, 21253, 24963, 33284, 42506, 49926, 62957, 63759, 74889, 85012, 99852, 125914, 127518, 149778, 188871, 191277, 251828, 255036, 299556, 377742, 382554, 566613, 755484, 765108, 1133226, 2266452, 3336721, 6673442, 10010163, 13346884, 20020326, 30030489, 40040652, 60060978, 120121956]

約数ペア:

[(1, 120121956), (2, 60060978), (3, 40040652), (4, 30030489), (6, 20020326), (9, 13346884), (12, 10010163), (18, 6673442), (36, 3336721), (53, 2266452), (106, 1133226), (157, 765108), (159, 755484), (212, 566613), (314, 382554), (318, 377742), (401, 299556), (471, 255036), (477, 251828), (628, 191277), (636, 188871), (802, 149778), (942, 127518), (954, 125914), (1203, 99852), (1413, 85012), (1604, 74889), (1884, 63759), (1908, 62957), (2406, 49926), (2826, 42506), (3609, 33284), (4812, 24963), (5652, 21253), (7218, 16642), (8321, 14436)]