1640803905

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:472

約数の個数: 128

約数和(自身を含む): 3291724800

約数和(自身を除く): 1650920895

約数列:

[1, 3, 5, 9, 13, 15, 27, 29, 39, 45, 65, 87, 103, 117, 135, 145, 195, 261, 309, 313, 351, 377, 435, 515, 585, 783, 927, 939, 1131, 1305, 1339, 1545, 1565, 1755, 1885, 2781, 2817, 2987, 3393, 3915, 4017, 4069, 4635, 4695, 5655, 6695, 8451, 8961, 9077, 10179, 12051, 12207, 13905, 14085, 14935, 16965, 20085, 20345, 26883, 27231, 32239, 36153, 36621, 38831, 42255, 44805, 45385, 50895, 60255, 61035, 80649, 81693, 96717, 109863, 116493, 118001, 134415, 136155, 161195, 180765, 183105, 194155, 245079, 290151, 349479, 354003, 403245, 408465, 419107, 483585, 549315, 582465, 590005, 870453, 934931, 1048437, 1062009, 1225395, 1257321, 1450755, 1747395, 1770015, 2095535, 2804793, 3186027, 3771963, 4352265, 4674655, 5242185, 5310045, 6286605, 8414379, 11315889, 12154103, 14023965, 15930135, 18859815, 25243137, 36462309, 42071895, 56579445, 60770515, 109386927, 126215685, 182311545, 328160781, 546934635, 1640803905]

約数ペア:

[(1, 1640803905), (3, 546934635), (5, 328160781), (9, 182311545), (13, 126215685), (15, 109386927), (27, 60770515), (29, 56579445), (39, 42071895), (45, 36462309), (65, 25243137), (87, 18859815), (103, 15930135), (117, 14023965), (135, 12154103), (145, 11315889), (195, 8414379), (261, 6286605), (309, 5310045), (313, 5242185), (351, 4674655), (377, 4352265), (435, 3771963), (515, 3186027), (585, 2804793), (783, 2095535), (927, 1770015), (939, 1747395), (1131, 1450755), (1305, 1257321), (1339, 1225395), (1545, 1062009), (1565, 1048437), (1755, 934931), (1885, 870453), (2781, 590005), (2817, 582465), (2987, 549315), (3393, 483585), (3915, 419107), (4017, 408465), (4069, 403245), (4635, 354003), (4695, 349479), (5655, 290151), (6695, 245079), (8451, 194155), (8961, 183105), (9077, 180765), (10179, 161195), (12051, 136155), (12207, 134415), (13905, 118001), (14085, 116493), (14935, 109863), (16965, 96717), (20085, 81693), (20345, 80649), (26883, 61035), (27231, 60255), (32239, 50895), (36153, 45385), (36621, 44805), (38831, 42255)]