77551280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:606

約数の個数: 80

約数和(自身を含む): 192844800

約数和(自身を除く): 115293520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 127, 136, 170, 254, 272, 340, 449, 508, 635, 680, 898, 1016, 1270, 1360, 1796, 2032, 2159, 2245, 2540, 3592, 4318, 4490, 5080, 7184, 7633, 8636, 8980, 10160, 10795, 15266, 17272, 17960, 21590, 30532, 34544, 35920, 38165, 43180, 57023, 61064, 76330, 86360, 114046, 122128, 152660, 172720, 228092, 285115, 305320, 456184, 570230, 610640, 912368, 969391, 1140460, 1938782, 2280920, 3877564, 4561840, 4846955, 7755128, 9693910, 15510256, 19387820, 38775640, 77551280]

約数ペア:

[(1, 77551280), (2, 38775640), (4, 19387820), (5, 15510256), (8, 9693910), (10, 7755128), (16, 4846955), (17, 4561840), (20, 3877564), (34, 2280920), (40, 1938782), (68, 1140460), (80, 969391), (85, 912368), (127, 610640), (136, 570230), (170, 456184), (254, 305320), (272, 285115), (340, 228092), (449, 172720), (508, 152660), (635, 122128), (680, 114046), (898, 86360), (1016, 76330), (1270, 61064), (1360, 57023), (1796, 43180), (2032, 38165), (2159, 35920), (2245, 34544), (2540, 30532), (3592, 21590), (4318, 17960), (4490, 17272), (5080, 15266), (7184, 10795), (7633, 10160), (8636, 8980)]