256673520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5021}}^1$

素因数の和:5111

約数の個数: 120

約数和(自身を含む): 874310112

約数和(自身を除く): 617636592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 3408, 4260, 5021, 5112, 5680, 6390, 8520, 10042, 10224, 12780, 15063, 17040, 20084, 25105, 25560, 30126, 40168, 45189, 50210, 51120, 60252, 75315, 80336, 90378, 100420, 120504, 150630, 180756, 200840, 225945, 241008, 301260, 356491, 361512, 401680, 451890, 602520, 712982, 723024, 903780, 1069473, 1205040, 1425964, 1782455, 1807560, 2138946, 2851928, 3208419, 3564910, 3615120, 4277892, 5347365, 5703856, 6416838, 7129820, 8555784, 10694730, 12833676, 14259640, 16042095, 17111568, 21389460, 25667352, 28519280, 32084190, 42778920, 51334704, 64168380, 85557840, 128336760, 256673520]

約数ペア:

[(1, 256673520), (2, 128336760), (3, 85557840), (4, 64168380), (5, 51334704), (6, 42778920), (8, 32084190), (9, 28519280), (10, 25667352), (12, 21389460), (15, 17111568), (16, 16042095), (18, 14259640), (20, 12833676), (24, 10694730), (30, 8555784), (36, 7129820), (40, 6416838), (45, 5703856), (48, 5347365), (60, 4277892), (71, 3615120), (72, 3564910), (80, 3208419), (90, 2851928), (120, 2138946), (142, 1807560), (144, 1782455), (180, 1425964), (213, 1205040), (240, 1069473), (284, 903780), (355, 723024), (360, 712982), (426, 602520), (568, 451890), (639, 401680), (710, 361512), (720, 356491), (852, 301260), (1065, 241008), (1136, 225945), (1278, 200840), (1420, 180756), (1704, 150630), (2130, 120504), (2556, 100420), (2840, 90378), (3195, 80336), (3408, 75315), (4260, 60252), (5021, 51120), (5112, 50210), (5680, 45189), (6390, 40168), (8520, 30126), (10042, 25560), (10224, 25105), (12780, 20084), (15063, 17040)]