81377352

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{503}}^1$

素因数の和:632

約数の個数: 128

約数和(自身を含む): 261273600

約数和(自身を除く): 179896248

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 107, 108, 126, 168, 189, 214, 216, 252, 321, 378, 428, 503, 504, 642, 749, 756, 856, 963, 1006, 1284, 1498, 1509, 1512, 1926, 2012, 2247, 2568, 2889, 2996, 3018, 3521, 3852, 4024, 4494, 4527, 5778, 5992, 6036, 6741, 7042, 7704, 8988, 9054, 10563, 11556, 12072, 13482, 13581, 14084, 17976, 18108, 20223, 21126, 23112, 26964, 27162, 28168, 31689, 36216, 40446, 42252, 53821, 53928, 54324, 63378, 80892, 84504, 95067, 107642, 108648, 126756, 161463, 161784, 190134, 215284, 253512, 322926, 376747, 380268, 430568, 484389, 645852, 753494, 760536, 968778, 1130241, 1291704, 1453167, 1506988, 1937556, 2260482, 2906334, 3013976, 3390723, 3875112, 4520964, 5812668, 6781446, 9041928, 10172169, 11625336, 13562892, 20344338, 27125784, 40688676, 81377352]

約数ペア:

[(1, 81377352), (2, 40688676), (3, 27125784), (4, 20344338), (6, 13562892), (7, 11625336), (8, 10172169), (9, 9041928), (12, 6781446), (14, 5812668), (18, 4520964), (21, 3875112), (24, 3390723), (27, 3013976), (28, 2906334), (36, 2260482), (42, 1937556), (54, 1506988), (56, 1453167), (63, 1291704), (72, 1130241), (84, 968778), (107, 760536), (108, 753494), (126, 645852), (168, 484389), (189, 430568), (214, 380268), (216, 376747), (252, 322926), (321, 253512), (378, 215284), (428, 190134), (503, 161784), (504, 161463), (642, 126756), (749, 108648), (756, 107642), (856, 95067), (963, 84504), (1006, 80892), (1284, 63378), (1498, 54324), (1509, 53928), (1512, 53821), (1926, 42252), (2012, 40446), (2247, 36216), (2568, 31689), (2889, 28168), (2996, 27162), (3018, 26964), (3521, 23112), (3852, 21126), (4024, 20223), (4494, 18108), (4527, 17976), (5778, 14084), (5992, 13581), (6036, 13482), (6741, 12072), (7042, 11556), (7704, 10563), (8988, 9054)]