354440480

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{419}}^1$

素因数の和:762

約数の個数: 96

約数和(自身を含む): 891596160

約数和(自身を除く): 537155680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 311, 340, 419, 544, 622, 680, 838, 1244, 1360, 1555, 1676, 2095, 2488, 2720, 3110, 3352, 4190, 4976, 5287, 6220, 6704, 7123, 8380, 9952, 10574, 12440, 13408, 14246, 16760, 21148, 24880, 26435, 28492, 33520, 35615, 42296, 49760, 52870, 56984, 67040, 71230, 84592, 105740, 113968, 130309, 142460, 169184, 211480, 227936, 260618, 284920, 422960, 521236, 569840, 651545, 845920, 1042472, 1139680, 1303090, 2084944, 2215253, 2606180, 4169888, 4430506, 5212360, 8861012, 10424720, 11076265, 17722024, 20849440, 22152530, 35444048, 44305060, 70888096, 88610120, 177220240, 354440480]

約数ペア:

[(1, 354440480), (2, 177220240), (4, 88610120), (5, 70888096), (8, 44305060), (10, 35444048), (16, 22152530), (17, 20849440), (20, 17722024), (32, 11076265), (34, 10424720), (40, 8861012), (68, 5212360), (80, 4430506), (85, 4169888), (136, 2606180), (160, 2215253), (170, 2084944), (272, 1303090), (311, 1139680), (340, 1042472), (419, 845920), (544, 651545), (622, 569840), (680, 521236), (838, 422960), (1244, 284920), (1360, 260618), (1555, 227936), (1676, 211480), (2095, 169184), (2488, 142460), (2720, 130309), (3110, 113968), (3352, 105740), (4190, 84592), (4976, 71230), (5287, 67040), (6220, 56984), (6704, 52870), (7123, 49760), (8380, 42296), (9952, 35615), (10574, 33520), (12440, 28492), (13408, 26435), (14246, 24880), (16760, 21148)]