131031600

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:868

約数の個数: 240

約数和(自身を含む): 505562880

約数和(自身を除く): 374531280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 25, 28, 30, 35, 38, 40, 42, 48, 50, 56, 57, 60, 70, 75, 76, 80, 84, 95, 100, 105, 112, 114, 120, 133, 140, 150, 152, 168, 175, 190, 200, 210, 228, 240, 266, 280, 285, 300, 304, 336, 350, 380, 399, 400, 420, 456, 475, 525, 532, 560, 570, 600, 665, 700, 760, 798, 821, 840, 912, 950, 1050, 1064, 1140, 1200, 1330, 1400, 1425, 1520, 1596, 1642, 1680, 1900, 1995, 2100, 2128, 2280, 2463, 2660, 2800, 2850, 3192, 3284, 3325, 3800, 3990, 4105, 4200, 4560, 4926, 5320, 5700, 5747, 6384, 6568, 6650, 7600, 7980, 8210, 8400, 9852, 9975, 10640, 11400, 11494, 12315, 13136, 13300, 15599, 15960, 16420, 17241, 19704, 19950, 20525, 22800, 22988, 24630, 26600, 28735, 31198, 31920, 32840, 34482, 39408, 39900, 41050, 45976, 46797, 49260, 53200, 57470, 61575, 62396, 65680, 68964, 77995, 79800, 82100, 86205, 91952, 93594, 98520, 109193, 114940, 123150, 124792, 137928, 143675, 155990, 159600, 164200, 172410, 187188, 197040, 218386, 229880, 233985, 246300, 249584, 275856, 287350, 311980, 327579, 328400, 344820, 374376, 389975, 431025, 436772, 459760, 467970, 492600, 545965, 574700, 623960, 655158, 689640, 748752, 779950, 862050, 873544, 935940, 985200, 1091930, 1149400, 1169925, 1247920, 1310316, 1379280, 1559900, 1637895, 1724100, 1747088, 1871880, 2183860, 2298800, 2339850, 2620632, 2729825, 3119800, 3275790, 3448200, 3743760, 4367720, 4679700, 5241264, 5459650, 6239600, 6551580, 6896400, 8189475, 8735440, 9359400, 10919300, 13103160, 16378950, 18718800, 21838600, 26206320, 32757900, 43677200, 65515800, 131031600]

約数ペア:

[(1, 131031600), (2, 65515800), (3, 43677200), (4, 32757900), (5, 26206320), (6, 21838600), (7, 18718800), (8, 16378950), (10, 13103160), (12, 10919300), (14, 9359400), (15, 8735440), (16, 8189475), (19, 6896400), (20, 6551580), (21, 6239600), (24, 5459650), (25, 5241264), (28, 4679700), (30, 4367720), (35, 3743760), (38, 3448200), (40, 3275790), (42, 3119800), (48, 2729825), (50, 2620632), (56, 2339850), (57, 2298800), (60, 2183860), (70, 1871880), (75, 1747088), (76, 1724100), (80, 1637895), (84, 1559900), (95, 1379280), (100, 1310316), (105, 1247920), (112, 1169925), (114, 1149400), (120, 1091930), (133, 985200), (140, 935940), (150, 873544), (152, 862050), (168, 779950), (175, 748752), (190, 689640), (200, 655158), (210, 623960), (228, 574700), (240, 545965), (266, 492600), (280, 467970), (285, 459760), (300, 436772), (304, 431025), (336, 389975), (350, 374376), (380, 344820), (399, 328400), (400, 327579), (420, 311980), (456, 287350), (475, 275856), (525, 249584), (532, 246300), (560, 233985), (570, 229880), (600, 218386), (665, 197040), (700, 187188), (760, 172410), (798, 164200), (821, 159600), (840, 155990), (912, 143675), (950, 137928), (1050, 124792), (1064, 123150), (1140, 114940), (1200, 109193), (1330, 98520), (1400, 93594), (1425, 91952), (1520, 86205), (1596, 82100), (1642, 79800), (1680, 77995), (1900, 68964), (1995, 65680), (2100, 62396), (2128, 61575), (2280, 57470), (2463, 53200), (2660, 49260), (2800, 46797), (2850, 45976), (3192, 41050), (3284, 39900), (3325, 39408), (3800, 34482), (3990, 32840), (4105, 31920), (4200, 31198), (4560, 28735), (4926, 26600), (5320, 24630), (5700, 22988), (5747, 22800), (6384, 20525), (6568, 19950), (6650, 19704), (7600, 17241), (7980, 16420), (8210, 15960), (8400, 15599), (9852, 13300), (9975, 13136), (10640, 12315), (11400, 11494)]