1617490840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{811}}^1$

素因数の和:1265

約数の個数: 128

約数和(自身を含む): 4419878400

約数和(自身を除く): 2802387560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 419, 476, 595, 680, 811, 838, 952, 1190, 1622, 1676, 2095, 2380, 2933, 3244, 3352, 4055, 4190, 4760, 5677, 5866, 6488, 7123, 8110, 8380, 11354, 11732, 13787, 14246, 14665, 16220, 16760, 22708, 23464, 27574, 28385, 28492, 29330, 32440, 35615, 45416, 49861, 55148, 56770, 56984, 58660, 68935, 71230, 96509, 99722, 110296, 113540, 117320, 137870, 142460, 193018, 199444, 227080, 249305, 275740, 284920, 339809, 386036, 398888, 482545, 498610, 551480, 679618, 772072, 965090, 997220, 1359236, 1699045, 1930180, 1994440, 2378663, 2718472, 3398090, 3860360, 4757326, 5776753, 6796180, 9514652, 11553506, 11893315, 13592360, 19029304, 23107012, 23786630, 28883765, 40437271, 46214024, 47573260, 57767530, 80874542, 95146520, 115535060, 161749084, 202186355, 231070120, 323498168, 404372710, 808745420, 1617490840]

約数ペア:

[(1, 1617490840), (2, 808745420), (4, 404372710), (5, 323498168), (7, 231070120), (8, 202186355), (10, 161749084), (14, 115535060), (17, 95146520), (20, 80874542), (28, 57767530), (34, 47573260), (35, 46214024), (40, 40437271), (56, 28883765), (68, 23786630), (70, 23107012), (85, 19029304), (119, 13592360), (136, 11893315), (140, 11553506), (170, 9514652), (238, 6796180), (280, 5776753), (340, 4757326), (419, 3860360), (476, 3398090), (595, 2718472), (680, 2378663), (811, 1994440), (838, 1930180), (952, 1699045), (1190, 1359236), (1622, 997220), (1676, 965090), (2095, 772072), (2380, 679618), (2933, 551480), (3244, 498610), (3352, 482545), (4055, 398888), (4190, 386036), (4760, 339809), (5677, 284920), (5866, 275740), (6488, 249305), (7123, 227080), (8110, 199444), (8380, 193018), (11354, 142460), (11732, 137870), (13787, 117320), (14246, 113540), (14665, 110296), (16220, 99722), (16760, 96509), (22708, 71230), (23464, 68935), (27574, 58660), (28385, 56984), (28492, 56770), (29330, 55148), (32440, 49861), (35615, 45416)]