81902808

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 246654720

約数和(自身を除く): 164751912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 53, 72, 78, 104, 106, 117, 127, 156, 159, 169, 212, 234, 254, 312, 318, 338, 381, 424, 468, 477, 507, 508, 636, 676, 689, 762, 936, 954, 1014, 1016, 1143, 1272, 1352, 1378, 1521, 1524, 1651, 1908, 2028, 2067, 2286, 2756, 3042, 3048, 3302, 3816, 4056, 4134, 4572, 4953, 5512, 6084, 6201, 6604, 6731, 8268, 8957, 9144, 9906, 12168, 12402, 13208, 13462, 14859, 16536, 17914, 19812, 20193, 21463, 24804, 26871, 26924, 29718, 35828, 39624, 40386, 42926, 49608, 53742, 53848, 59436, 60579, 64389, 71656, 80613, 80772, 85852, 87503, 107484, 118872, 121158, 128778, 161226, 161544, 171704, 175006, 193167, 214968, 242316, 257556, 262509, 322452, 350012, 386334, 484632, 515112, 525018, 644904, 700024, 772668, 787527, 1050036, 1137539, 1545336, 1575054, 2100072, 2275078, 3150108, 3412617, 4550156, 6300216, 6825234, 9100312, 10237851, 13650468, 20475702, 27300936, 40951404, 81902808]

約数ペア:

[(1, 81902808), (2, 40951404), (3, 27300936), (4, 20475702), (6, 13650468), (8, 10237851), (9, 9100312), (12, 6825234), (13, 6300216), (18, 4550156), (24, 3412617), (26, 3150108), (36, 2275078), (39, 2100072), (52, 1575054), (53, 1545336), (72, 1137539), (78, 1050036), (104, 787527), (106, 772668), (117, 700024), (127, 644904), (156, 525018), (159, 515112), (169, 484632), (212, 386334), (234, 350012), (254, 322452), (312, 262509), (318, 257556), (338, 242316), (381, 214968), (424, 193167), (468, 175006), (477, 171704), (507, 161544), (508, 161226), (636, 128778), (676, 121158), (689, 118872), (762, 107484), (936, 87503), (954, 85852), (1014, 80772), (1016, 80613), (1143, 71656), (1272, 64389), (1352, 60579), (1378, 59436), (1521, 53848), (1524, 53742), (1651, 49608), (1908, 42926), (2028, 40386), (2067, 39624), (2286, 35828), (2756, 29718), (3042, 26924), (3048, 26871), (3302, 24804), (3816, 21463), (4056, 20193), (4134, 19812), (4572, 17914), (4953, 16536), (5512, 14859), (6084, 13462), (6201, 13208), (6604, 12402), (6731, 12168), (8268, 9906), (8957, 9144)]