81204444

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:697

約数の個数: 120

約数和(自身を含む): 234910368

約数和(自身を除く): 153705924

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 27, 34, 36, 46, 51, 54, 68, 69, 81, 92, 102, 108, 138, 153, 162, 204, 207, 276, 306, 324, 391, 414, 459, 612, 621, 641, 782, 828, 918, 1173, 1242, 1282, 1377, 1564, 1836, 1863, 1923, 2346, 2484, 2564, 2754, 3519, 3726, 3846, 4692, 5508, 5769, 7038, 7452, 7692, 10557, 10897, 11538, 14076, 14743, 17307, 21114, 21794, 23076, 29486, 31671, 32691, 34614, 42228, 43588, 44229, 51921, 58972, 63342, 65382, 69228, 88458, 98073, 103842, 126684, 130764, 132687, 176916, 196146, 207684, 250631, 265374, 294219, 392292, 398061, 501262, 530748, 588438, 751893, 796122, 882657, 1002524, 1176876, 1194183, 1503786, 1592244, 1765314, 2255679, 2388366, 3007572, 3530628, 4511358, 4776732, 6767037, 9022716, 13534074, 20301111, 27068148, 40602222, 81204444]

約数ペア:

[(1, 81204444), (2, 40602222), (3, 27068148), (4, 20301111), (6, 13534074), (9, 9022716), (12, 6767037), (17, 4776732), (18, 4511358), (23, 3530628), (27, 3007572), (34, 2388366), (36, 2255679), (46, 1765314), (51, 1592244), (54, 1503786), (68, 1194183), (69, 1176876), (81, 1002524), (92, 882657), (102, 796122), (108, 751893), (138, 588438), (153, 530748), (162, 501262), (204, 398061), (207, 392292), (276, 294219), (306, 265374), (324, 250631), (391, 207684), (414, 196146), (459, 176916), (612, 132687), (621, 130764), (641, 126684), (782, 103842), (828, 98073), (918, 88458), (1173, 69228), (1242, 65382), (1282, 63342), (1377, 58972), (1564, 51921), (1836, 44229), (1863, 43588), (1923, 42228), (2346, 34614), (2484, 32691), (2564, 31671), (2754, 29486), (3519, 23076), (3726, 21794), (3846, 21114), (4692, 17307), (5508, 14743), (5769, 14076), (7038, 11538), (7452, 10897), (7692, 10557)]