656906880640

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{131071}}^1$

素因数の和:131322

約数の個数: 128

約数和(自身を含む): 1617155850240

約数和(自身を除く): 960248969600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 191, 205, 320, 328, 382, 410, 640, 656, 764, 820, 955, 1312, 1528, 1640, 1910, 2624, 3056, 3280, 3820, 5248, 6112, 6560, 7640, 7831, 12224, 13120, 15280, 15662, 24448, 26240, 30560, 31324, 39155, 61120, 62648, 78310, 122240, 125296, 131071, 156620, 250592, 262142, 313240, 501184, 524284, 626480, 655355, 1002368, 1048568, 1252960, 1310710, 2097136, 2505920, 2621420, 4194272, 5011840, 5242840, 5373911, 8388544, 10485680, 10747822, 16777088, 20971360, 21495644, 25034561, 26869555, 41942720, 42991288, 50069122, 53739110, 83885440, 85982576, 100138244, 107478220, 125172805, 171965152, 200276488, 214956440, 250345610, 343930304, 400552976, 429912880, 500691220, 687860608, 801105952, 859825760, 1001382440, 1026417001, 1602211904, 1719651520, 2002764880, 2052834002, 3204423808, 3439303040, 4005529760, 4105668004, 5132085005, 8011059520, 8211336008, 10264170010, 16022119040, 16422672016, 20528340020, 32845344032, 41056680040, 65690688064, 82113360080, 131381376128, 164226720160, 328453440320, 656906880640]

約数ペア:

[(1, 656906880640), (2, 328453440320), (4, 164226720160), (5, 131381376128), (8, 82113360080), (10, 65690688064), (16, 41056680040), (20, 32845344032), (32, 20528340020), (40, 16422672016), (41, 16022119040), (64, 10264170010), (80, 8211336008), (82, 8011059520), (128, 5132085005), (160, 4105668004), (164, 4005529760), (191, 3439303040), (205, 3204423808), (320, 2052834002), (328, 2002764880), (382, 1719651520), (410, 1602211904), (640, 1026417001), (656, 1001382440), (764, 859825760), (820, 801105952), (955, 687860608), (1312, 500691220), (1528, 429912880), (1640, 400552976), (1910, 343930304), (2624, 250345610), (3056, 214956440), (3280, 200276488), (3820, 171965152), (5248, 125172805), (6112, 107478220), (6560, 100138244), (7640, 85982576), (7831, 83885440), (12224, 53739110), (13120, 50069122), (15280, 42991288), (15662, 41942720), (24448, 26869555), (26240, 25034561), (30560, 21495644), (31324, 20971360), (39155, 16777088), (61120, 10747822), (62648, 10485680), (78310, 8388544), (122240, 5373911), (125296, 5242840), (131071, 5011840), (156620, 4194272), (250592, 2621420), (262142, 2505920), (313240, 2097136), (501184, 1310710), (524284, 1252960), (626480, 1048568), (655355, 1002368)]