91640960

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 227893500

約数和(自身を除く): 136252540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 149, 155, 160, 248, 298, 310, 320, 496, 596, 620, 640, 745, 961, 992, 1192, 1240, 1490, 1922, 1984, 2384, 2480, 2980, 3844, 3968, 4619, 4768, 4805, 4960, 5960, 7688, 9238, 9536, 9610, 9920, 11920, 15376, 18476, 19072, 19220, 19840, 23095, 23840, 30752, 36952, 38440, 46190, 47680, 61504, 73904, 76880, 92380, 95360, 123008, 143189, 147808, 153760, 184760, 286378, 295616, 307520, 369520, 572756, 591232, 615040, 715945, 739040, 1145512, 1431890, 1478080, 2291024, 2863780, 2956160, 4582048, 5727560, 9164096, 11455120, 18328192, 22910240, 45820480, 91640960]

約数ペア:

[(1, 91640960), (2, 45820480), (4, 22910240), (5, 18328192), (8, 11455120), (10, 9164096), (16, 5727560), (20, 4582048), (31, 2956160), (32, 2863780), (40, 2291024), (62, 1478080), (64, 1431890), (80, 1145512), (124, 739040), (128, 715945), (149, 615040), (155, 591232), (160, 572756), (248, 369520), (298, 307520), (310, 295616), (320, 286378), (496, 184760), (596, 153760), (620, 147808), (640, 143189), (745, 123008), (961, 95360), (992, 92380), (1192, 76880), (1240, 73904), (1490, 61504), (1922, 47680), (1984, 46190), (2384, 38440), (2480, 36952), (2980, 30752), (3844, 23840), (3968, 23095), (4619, 19840), (4768, 19220), (4805, 19072), (4960, 18476), (5960, 15376), (7688, 11920), (9238, 9920), (9536, 9610)]