81629784

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^2\times {\mathrm{3923}}^1$

素因数の和:3969

約数の個数: 72

約数和(自身を含む): 234910260

約数和(自身を除く): 153280476

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 289, 306, 408, 578, 612, 867, 1156, 1224, 1734, 2312, 2601, 3468, 3923, 5202, 6936, 7846, 10404, 11769, 15692, 20808, 23538, 31384, 35307, 47076, 66691, 70614, 94152, 133382, 141228, 200073, 266764, 282456, 400146, 533528, 600219, 800292, 1133747, 1200438, 1600584, 2267494, 2400876, 3401241, 4534988, 4801752, 6802482, 9069976, 10203723, 13604964, 20407446, 27209928, 40814892, 81629784]

約数ペア:

[(1, 81629784), (2, 40814892), (3, 27209928), (4, 20407446), (6, 13604964), (8, 10203723), (9, 9069976), (12, 6802482), (17, 4801752), (18, 4534988), (24, 3401241), (34, 2400876), (36, 2267494), (51, 1600584), (68, 1200438), (72, 1133747), (102, 800292), (136, 600219), (153, 533528), (204, 400146), (289, 282456), (306, 266764), (408, 200073), (578, 141228), (612, 133382), (867, 94152), (1156, 70614), (1224, 66691), (1734, 47076), (2312, 35307), (2601, 31384), (3468, 23538), (3923, 20808), (5202, 15692), (6936, 11769), (7846, 10404)]