256887600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{593}}^1$

素因数の和:652

約数の個数: 180

約数和(自身を含む): 869951016

約数和(自身を除く): 613063416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 38, 40, 48, 50, 57, 60, 75, 76, 80, 95, 100, 114, 120, 150, 152, 190, 200, 228, 240, 285, 300, 304, 361, 380, 400, 456, 475, 570, 593, 600, 722, 760, 912, 950, 1083, 1140, 1186, 1200, 1425, 1444, 1520, 1779, 1805, 1900, 2166, 2280, 2372, 2850, 2888, 2965, 3558, 3610, 3800, 4332, 4560, 4744, 5415, 5700, 5776, 5930, 7116, 7220, 7600, 8664, 8895, 9025, 9488, 10830, 11267, 11400, 11860, 14232, 14440, 14825, 17328, 17790, 18050, 21660, 22534, 22800, 23720, 27075, 28464, 28880, 29650, 33801, 35580, 36100, 43320, 44475, 45068, 47440, 54150, 56335, 59300, 67602, 71160, 72200, 86640, 88950, 90136, 108300, 112670, 118600, 135204, 142320, 144400, 169005, 177900, 180272, 214073, 216600, 225340, 237200, 270408, 281675, 338010, 355800, 428146, 433200, 450680, 540816, 563350, 642219, 676020, 711600, 845025, 856292, 901360, 1070365, 1126700, 1284438, 1352040, 1690050, 1712584, 2140730, 2253400, 2568876, 2704080, 3211095, 3380100, 3425168, 4281460, 4506800, 5137752, 5351825, 6422190, 6760200, 8562920, 10275504, 10703650, 12844380, 13520400, 16055475, 17125840, 21407300, 25688760, 32110950, 42814600, 51377520, 64221900, 85629200, 128443800, 256887600]

約数ペア:

[(1, 256887600), (2, 128443800), (3, 85629200), (4, 64221900), (5, 51377520), (6, 42814600), (8, 32110950), (10, 25688760), (12, 21407300), (15, 17125840), (16, 16055475), (19, 13520400), (20, 12844380), (24, 10703650), (25, 10275504), (30, 8562920), (38, 6760200), (40, 6422190), (48, 5351825), (50, 5137752), (57, 4506800), (60, 4281460), (75, 3425168), (76, 3380100), (80, 3211095), (95, 2704080), (100, 2568876), (114, 2253400), (120, 2140730), (150, 1712584), (152, 1690050), (190, 1352040), (200, 1284438), (228, 1126700), (240, 1070365), (285, 901360), (300, 856292), (304, 845025), (361, 711600), (380, 676020), (400, 642219), (456, 563350), (475, 540816), (570, 450680), (593, 433200), (600, 428146), (722, 355800), (760, 338010), (912, 281675), (950, 270408), (1083, 237200), (1140, 225340), (1186, 216600), (1200, 214073), (1425, 180272), (1444, 177900), (1520, 169005), (1779, 144400), (1805, 142320), (1900, 135204), (2166, 118600), (2280, 112670), (2372, 108300), (2850, 90136), (2888, 88950), (2965, 86640), (3558, 72200), (3610, 71160), (3800, 67602), (4332, 59300), (4560, 56335), (4744, 54150), (5415, 47440), (5700, 45068), (5776, 44475), (5930, 43320), (7116, 36100), (7220, 35580), (7600, 33801), (8664, 29650), (8895, 28880), (9025, 28464), (9488, 27075), (10830, 23720), (11267, 22800), (11400, 22534), (11860, 21660), (14232, 18050), (14440, 17790), (14825, 17328)]