77990700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 239984640

約数和(自身を除く): 161993940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 89, 92, 100, 115, 127, 138, 150, 178, 230, 254, 267, 276, 300, 345, 356, 381, 445, 460, 508, 534, 575, 635, 690, 762, 890, 1068, 1150, 1270, 1335, 1380, 1524, 1725, 1780, 1905, 2047, 2225, 2300, 2540, 2670, 2921, 3175, 3450, 3810, 4094, 4450, 5340, 5842, 6141, 6350, 6675, 6900, 7620, 8188, 8763, 8900, 9525, 10235, 11303, 11684, 12282, 12700, 13350, 14605, 17526, 19050, 20470, 22606, 24564, 26700, 29210, 30705, 33909, 35052, 38100, 40940, 43815, 45212, 51175, 56515, 58420, 61410, 67818, 73025, 87630, 102350, 113030, 122820, 135636, 146050, 153525, 169545, 175260, 204700, 219075, 226060, 259969, 282575, 292100, 307050, 339090, 438150, 519938, 565150, 614100, 678180, 779907, 847725, 876300, 1039876, 1130300, 1299845, 1559814, 1695450, 2599690, 3119628, 3390900, 3899535, 5199380, 6499225, 7799070, 12998450, 15598140, 19497675, 25996900, 38995350, 77990700]

約数ペア:

[(1, 77990700), (2, 38995350), (3, 25996900), (4, 19497675), (5, 15598140), (6, 12998450), (10, 7799070), (12, 6499225), (15, 5199380), (20, 3899535), (23, 3390900), (25, 3119628), (30, 2599690), (46, 1695450), (50, 1559814), (60, 1299845), (69, 1130300), (75, 1039876), (89, 876300), (92, 847725), (100, 779907), (115, 678180), (127, 614100), (138, 565150), (150, 519938), (178, 438150), (230, 339090), (254, 307050), (267, 292100), (276, 282575), (300, 259969), (345, 226060), (356, 219075), (381, 204700), (445, 175260), (460, 169545), (508, 153525), (534, 146050), (575, 135636), (635, 122820), (690, 113030), (762, 102350), (890, 87630), (1068, 73025), (1150, 67818), (1270, 61410), (1335, 58420), (1380, 56515), (1524, 51175), (1725, 45212), (1780, 43815), (1905, 40940), (2047, 38100), (2225, 35052), (2300, 33909), (2540, 30705), (2670, 29210), (2921, 26700), (3175, 24564), (3450, 22606), (3810, 20470), (4094, 19050), (4450, 17526), (5340, 14605), (5842, 13350), (6141, 12700), (6350, 12282), (6675, 11684), (6900, 11303), (7620, 10235), (8188, 9525), (8763, 8900)]