890508720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{487}}^1$

素因数の和:923

約数の個数: 160

約数和(自身を含む): 2919098880

約数和(自身を除く): 2028590160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 401, 456, 487, 570, 760, 802, 912, 974, 1140, 1203, 1461, 1520, 1604, 1948, 2005, 2280, 2406, 2435, 2922, 3208, 3896, 4010, 4560, 4812, 4870, 5844, 6015, 6416, 7305, 7619, 7792, 8020, 9253, 9624, 9740, 11688, 12030, 14610, 15238, 16040, 18506, 19248, 19480, 22857, 23376, 24060, 27759, 29220, 30476, 32080, 37012, 38095, 38960, 45714, 46265, 48120, 55518, 58440, 60952, 74024, 76190, 91428, 92530, 96240, 111036, 114285, 116880, 121904, 138795, 148048, 152380, 182856, 185060, 195287, 222072, 228570, 277590, 304760, 365712, 370120, 390574, 444144, 457140, 555180, 585861, 609520, 740240, 781148, 914280, 976435, 1110360, 1171722, 1562296, 1828560, 1952870, 2220720, 2343444, 2929305, 3124592, 3710453, 3905740, 4686888, 5858610, 7420906, 7811480, 9373776, 11131359, 11717220, 14841812, 15622960, 18552265, 22262718, 23434440, 29683624, 37104530, 44525436, 46868880, 55656795, 59367248, 74209060, 89050872, 111313590, 148418120, 178101744, 222627180, 296836240, 445254360, 890508720]

約数ペア:

[(1, 890508720), (2, 445254360), (3, 296836240), (4, 222627180), (5, 178101744), (6, 148418120), (8, 111313590), (10, 89050872), (12, 74209060), (15, 59367248), (16, 55656795), (19, 46868880), (20, 44525436), (24, 37104530), (30, 29683624), (38, 23434440), (40, 22262718), (48, 18552265), (57, 15622960), (60, 14841812), (76, 11717220), (80, 11131359), (95, 9373776), (114, 7811480), (120, 7420906), (152, 5858610), (190, 4686888), (228, 3905740), (240, 3710453), (285, 3124592), (304, 2929305), (380, 2343444), (401, 2220720), (456, 1952870), (487, 1828560), (570, 1562296), (760, 1171722), (802, 1110360), (912, 976435), (974, 914280), (1140, 781148), (1203, 740240), (1461, 609520), (1520, 585861), (1604, 555180), (1948, 457140), (2005, 444144), (2280, 390574), (2406, 370120), (2435, 365712), (2922, 304760), (3208, 277590), (3896, 228570), (4010, 222072), (4560, 195287), (4812, 185060), (4870, 182856), (5844, 152380), (6015, 148048), (6416, 138795), (7305, 121904), (7619, 116880), (7792, 114285), (8020, 111036), (9253, 96240), (9624, 92530), (9740, 91428), (11688, 76190), (12030, 74024), (14610, 60952), (15238, 58440), (16040, 55518), (18506, 48120), (19248, 46265), (19480, 45714), (22857, 38960), (23376, 38095), (24060, 37012), (27759, 32080), (29220, 30476)]