30991068

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 84127680

約数和(自身を除く): 53136612

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 79, 102, 153, 158, 204, 237, 306, 316, 474, 612, 641, 711, 948, 1282, 1343, 1422, 1923, 2564, 2686, 2844, 3846, 4029, 5372, 5769, 7692, 8058, 10897, 11538, 12087, 16116, 21794, 23076, 24174, 32691, 43588, 48348, 50639, 65382, 98073, 101278, 130764, 151917, 196146, 202556, 303834, 392292, 455751, 607668, 860863, 911502, 1721726, 1823004, 2582589, 3443452, 5165178, 7747767, 10330356, 15495534, 30991068]

約数ペア:

[(1, 30991068), (2, 15495534), (3, 10330356), (4, 7747767), (6, 5165178), (9, 3443452), (12, 2582589), (17, 1823004), (18, 1721726), (34, 911502), (36, 860863), (51, 607668), (68, 455751), (79, 392292), (102, 303834), (153, 202556), (158, 196146), (204, 151917), (237, 130764), (306, 101278), (316, 98073), (474, 65382), (612, 50639), (641, 48348), (711, 43588), (948, 32691), (1282, 24174), (1343, 23076), (1422, 21794), (1923, 16116), (2564, 12087), (2686, 11538), (2844, 10897), (3846, 8058), (4029, 7692), (5372, 5769)]