312856960

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1276

約数の個数: 128

約数和(自身を含む): 832124160

約数和(自身を除く): 519267200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1213, 1240, 1612, 1664, 1984, 2015, 2080, 2426, 2480, 3224, 3968, 4030, 4160, 4852, 4960, 6065, 6448, 8060, 8320, 9704, 9920, 12130, 12896, 15769, 16120, 19408, 19840, 24260, 25792, 31538, 32240, 37603, 38816, 48520, 51584, 63076, 64480, 75206, 77632, 78845, 97040, 126152, 128960, 150412, 155264, 157690, 188015, 194080, 252304, 257920, 300824, 315380, 376030, 388160, 488839, 504608, 601648, 630760, 752060, 776320, 977678, 1009216, 1203296, 1261520, 1504120, 1955356, 2018432, 2406592, 2444195, 2523040, 3008240, 3910712, 4813184, 4888390, 5046080, 6016480, 7821424, 9776780, 10092160, 12032960, 15642848, 19553560, 24065920, 31285696, 39107120, 62571392, 78214240, 156428480, 312856960]

約数ペア:

[(1, 312856960), (2, 156428480), (4, 78214240), (5, 62571392), (8, 39107120), (10, 31285696), (13, 24065920), (16, 19553560), (20, 15642848), (26, 12032960), (31, 10092160), (32, 9776780), (40, 7821424), (52, 6016480), (62, 5046080), (64, 4888390), (65, 4813184), (80, 3910712), (104, 3008240), (124, 2523040), (128, 2444195), (130, 2406592), (155, 2018432), (160, 1955356), (208, 1504120), (248, 1261520), (260, 1203296), (310, 1009216), (320, 977678), (403, 776320), (416, 752060), (496, 630760), (520, 601648), (620, 504608), (640, 488839), (806, 388160), (832, 376030), (992, 315380), (1040, 300824), (1213, 257920), (1240, 252304), (1612, 194080), (1664, 188015), (1984, 157690), (2015, 155264), (2080, 150412), (2426, 128960), (2480, 126152), (3224, 97040), (3968, 78845), (4030, 77632), (4160, 75206), (4852, 64480), (4960, 63076), (6065, 51584), (6448, 48520), (8060, 38816), (8320, 37603), (9704, 32240), (9920, 31538), (12130, 25792), (12896, 24260), (15769, 19840), (16120, 19408)]