81351360

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:671

約数の個数: 168

約数和(自身を含む): 286243776

約数和(自身を除く): 204892416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 64, 72, 80, 90, 94, 96, 120, 141, 144, 160, 180, 188, 192, 235, 240, 282, 288, 320, 360, 376, 423, 470, 480, 564, 576, 601, 705, 720, 752, 846, 940, 960, 1128, 1202, 1410, 1440, 1504, 1692, 1803, 1880, 2115, 2256, 2404, 2820, 2880, 3005, 3008, 3384, 3606, 3760, 4230, 4512, 4808, 5409, 5640, 6010, 6768, 7212, 7520, 8460, 9015, 9024, 9616, 10818, 11280, 12020, 13536, 14424, 15040, 16920, 18030, 19232, 21636, 22560, 24040, 27045, 27072, 28247, 28848, 33840, 36060, 38464, 43272, 45120, 48080, 54090, 56494, 57696, 67680, 72120, 84741, 86544, 96160, 108180, 112988, 115392, 135360, 141235, 144240, 169482, 173088, 192320, 216360, 225976, 254223, 282470, 288480, 338964, 346176, 423705, 432720, 451952, 508446, 564940, 576960, 677928, 847410, 865440, 903904, 1016892, 1129880, 1271115, 1355856, 1694820, 1730880, 1807808, 2033784, 2259760, 2542230, 2711712, 3389640, 4067568, 4519520, 5084460, 5423424, 6779280, 8135136, 9039040, 10168920, 13558560, 16270272, 20337840, 27117120, 40675680, 81351360]

約数ペア:

[(1, 81351360), (2, 40675680), (3, 27117120), (4, 20337840), (5, 16270272), (6, 13558560), (8, 10168920), (9, 9039040), (10, 8135136), (12, 6779280), (15, 5423424), (16, 5084460), (18, 4519520), (20, 4067568), (24, 3389640), (30, 2711712), (32, 2542230), (36, 2259760), (40, 2033784), (45, 1807808), (47, 1730880), (48, 1694820), (60, 1355856), (64, 1271115), (72, 1129880), (80, 1016892), (90, 903904), (94, 865440), (96, 847410), (120, 677928), (141, 576960), (144, 564940), (160, 508446), (180, 451952), (188, 432720), (192, 423705), (235, 346176), (240, 338964), (282, 288480), (288, 282470), (320, 254223), (360, 225976), (376, 216360), (423, 192320), (470, 173088), (480, 169482), (564, 144240), (576, 141235), (601, 135360), (705, 115392), (720, 112988), (752, 108180), (846, 96160), (940, 86544), (960, 84741), (1128, 72120), (1202, 67680), (1410, 57696), (1440, 56494), (1504, 54090), (1692, 48080), (1803, 45120), (1880, 43272), (2115, 38464), (2256, 36060), (2404, 33840), (2820, 28848), (2880, 28247), (3005, 27072), (3008, 27045), (3384, 24040), (3606, 22560), (3760, 21636), (4230, 19232), (4512, 18030), (4808, 16920), (5409, 15040), (5640, 14424), (6010, 13536), (6768, 12020), (7212, 11280), (7520, 10818), (8460, 9616), (9015, 9024)]